CBSE X Maths Quadratic Equations

Please solve question no 6 with proper explanation 

ICSE X Maths

23-x/30-x=57-x/78-x

ICSE X Maths Quadratic Equations

x articles are bought at rupees (x - 8) each and (x - 2) some other articles are bought at rupees(x - 3) each. If the total cost of all these articles is a 76, how many articles of first kind were bought ?

CBSE X Maths Quadratic Equations

For what value of k does the equation X2 + 2x + k2 + 1 = 0 has real and equal roots ?

ICSE X Maths Quadratic Equations

Find the roots of the following quadratic equation using quadratic formula : abx2 + (b2 – ac)x – bc =0

ICSE X Maths Quadratic Equations

(X-3/x+3)+(x+3/x-3)=5/2

ICSE X Maths

A line segment AB is 8 cm in length.AB is produced to P such that BP ^2 = AB x AP . Find the length of BP

CBSE X Maths Quadratic Equations

In a flight of 6000km,an aircraft was slowed down due to bad weather. The average speed for the trip was reduced by 400 km/hr and the time of flight increased by 30 min. Find the original duration of the flight. 

ICSE X Maths

Prove that both the roots of the equation (x-a)(x-b)=m^2 are always real.

ICSE X Maths Quadratic Equations

Solve the equation x(x-1)(x-2)(x-3)+8=0

CBSE X Maths Quadratic Equations

I just came up with the problem can u solve this for me . If the roots of the Q.E   hx2 +21x +10=0 (Where h is not equal to 0) are in the ratio 2:5, find the possible values of h

ICSE X Maths Quadratic Equations

if the sum of numerator and denominator of a fraction is 8. if 1 is added to the numerator and the denominator the fraction increased by 1/15.  Find fraction. 

ICSE X Maths Quadratic Equations

In a two digit number,the unit's digit exceeds it's ten's digit by 2.The product of the given number and the sum of its digits is equal to 144. Find the number

ICSE X Maths

Dear expert! Sorry to say that TOPPERLEARNIG has disappionted me. I am not happy with the agents, as i requested for a call i havent got it. Another thing please check the sample paper solution 2 question 2(b). Thanks Nancy

ICSE X Maths Quadratic Equations

Q6 b part

CBSE X Maths Quadratic Equations

Find the roots.

ICSE IX Maths

Show that the following quadratic equations are real roots. Also find their roots.

ICSE X Maths Quadratic Equations

A swimming pool can be filled by 2 pipes together in 6 hours; if the larger pipe alone takes 5 hours less than the smaller pipe to fill the pool, find the time in which each pipe alone would fill the pipe.

CBSE X Maths Quadratic Equations

Q 25 if the photo is not visible then i can't do anything as the site uploads only less than 1 MB.   

CBSE X Maths Quadratic Equations

q 14  

ICSE X Maths Quadratic Equations

x+3/x+2 = 3x-7/2x-3

ICSE X Maths

x+3/x-2 - 1-x/x = 17/4

ICSE X Maths

Q. 28,29,30

ICSE X Maths

Q. 21,22,23,24

ICSE X Maths Quadratic Equations

Q. 22

ICSE X Maths Quadratic Equations

Q. 23

ICSE X Maths Quadratic Equations

Divide 29 in to two parts so that the sums of the squares of the  parts is 425

ICSE X Maths

Find two consecutive even integers whose squares have the sum 340.1.

ICSE X Maths

The speed of a boat in still water is 8km/hr. It can go 15km upstream and 22km downstream in 5hrs. Find the speed of the stream. 

ICSE X Maths

Q. 31

ICSE X Maths

Q. 44

ICSE X Maths

Anshu is X years old while her mother Mrs Veena is xsquare years old 5 years hence Mrs Verna  will be 3 times  old as Anshu find their present ages.

ICSE X Maths

Find x,if log(x+4)+log(x-4)=log3 .

ICSE IX Maths

9x²-(x²-4)²

ICSE X Maths

  sir/ mam could you please solve this problem on quadratic equation i need answer urgently.  bimal wishes to start a 200 m sq. rectangular garden . since he has only 50 m barbed wire, he fences3 sides of the garden letting his house coumpound wall act as one of the longer sides of the garden . find the dimensions of the garden.

CBSE XI Science Maths Complex Numbers and Quadratic Equations

22?

CBSE XI Science Maths

?

ICSE X Maths

Sir / mam can u plz solve this problem on ages Mss rao has two sons . at present her age is equal to the sum of the squares of their ages. seventeen years hence , she will be twice her older son's age . find the present ages of her sons if their age difference is 1 year. 

ICSE X Maths

Sir / mam can u plz solve this problem on age:- 10 years ago , Amina's age was square of her sisters age . eleven years hence , she will be 6 years older than her sister  find their present ages.

CBSE X Maths

1. Vikram can row a boat 12 km downstream and return in 3 hours. If the speed of the stream is 3 km per hour, find the speed of the boat in still water. 2.the length of a rectangle is thrice as long as the side of square the  side of the square is 4 c m more than the width of the rectangle find their dimensions  if their areas are equal.          3.  The length of the hypotenuse of the right triangle exceeds the leant of the base by 2 cm    at the leant of the altitude by 1 c m find the leant of each side of the triangle.  4. A girl is twice as long as her sister .four years hence the product of their ages will be 160 years .find their present ages 5. The sum of the ages (in years) of a son and his father is 35 and the product of their ages is 150.find their ages. 6. The area of right angled triangle is 30sqcm.determine the base if the height exceeds the base by 7 cm 7.the time taken by at train to travel  a distance of 225 km was reduced by 20min when the avgas speed was increased by 20kmph calculate the original speed of the train. 8. Divide 64 into 2 parts such that their products is 100 9. The sum of two numbers is 26 and the sum of their reciprocals is 13/84.find the numbers. 10. Find the two successive even numbers the sum of whose square is 452 11. Find the 3 successive odd natural numbers, the sum of whose squares is 515 12. The sum of the square of two natural number is 410 the sum of the larger number and twice the smaller numbers 33.find the numbers 13. A number consists of two digits whose product is 36.if 45 is subtracted from the number its digits are reversed. Find the numbers 14.the hypotenuse of a right triangle is 2cm more than the base and 1cm more than twice the altitude.find the sides of the triangle 15 the hypotenuse of a right triangle is 6m more than twice the shorter side while the third side is 2m less than the hypotenuse. Find the sides of the triangle.

ICSE X Maths Quadratic Equations

The time taken by a person to cover 150km was 2.5 hours more than the time taken in return journey .If he returned at a speed of 10km/hrs more than the speed of going,what was the speed per hour in each direction

ICSE X Maths Quadratic Equations

In a two digit number,the unit's digit exceed its ten's digit by 2 .The product of the given number and the sum of the digit is equal to 144 .Find the number

CBSE X Maths Quadratic Equations

CBSE X Maths

If -5 is a root of the quadratic equation 2x2 + px – 15 = 0 and the quadratic equation  p(x2 + x)k = 0 has equal roots, find the value of k.

CBSE X Maths

solve for x 4x^2 - 2(a^2 + b^2)x + a^2b^2 = 0 (using any method)

CBSE X Maths

The hypotenuse of a right triangle is 3 root 10 cm. If the smaller leg is tripled and the longer leg doubled , new hypotenuse will be 9 root 5 cm.how long are the legs of the triangle? (I need an answer in quadratic equation)

ICSE X Maths

Find the value of k for which the roots of the following equation are real and equal k^2x^2-2(2k-1)x+4=0

ICSE X Maths

The time taken by a person to cover 150km was 2.5hours more than the time taken in return journey. If he returned at a speed of 10km/hr more than the speed of going, what was the speed per hour in each direction.

ICSE IX Maths

Q. XI

CBSE X Maths

check whether the following are quadratic equations. 1) x2+3x+1=(x-2)2 2) (x+2)3=2x(x2-1)

CBSE X Maths Quadratic Equations

Q.5

CBSE X Maths Quadratic Equations

The equations x square - 4x + k= 0 and x square + kx - 4 =0, where k is a real number, have exactly one common root. What is the value of k?

CBSE IX Maths

Please answer all these questions

CBSE IX Maths Polynomials

Please answer the question below in the image

CBSE X Maths

If one root of a quadratic equation is (2-)/2 , then find the other root

 

CBSE X Maths Quadratic Equations

if alpha and beta are zeroes of the quadratic ploynomial f[x] = ax2 +bx+c then evaluate 1/alpha - 1/beta.  

JEE Plances JEE (Main) Maths

√5x^2-6x +8 - √5x^2- 6x -7=1  

CBSE X Maths Quadratic Equations

Please solve the question 

CBSE IX Maths

Please answer both 1st part and 2nd part 

CBSE X Maths

If one root of  equation  px square +qx +r =0 is double the other show that  2q square  =9pr

CBSE X Maths Quadratic Equations

Please solve this question 

CBSE X Maths Quadratic Equations

Please solve this question 

JEE Plances JEE (Main) Maths

Someone please solve this quadratic equation!! 

JEE Plances JEE (Main) Maths Quadratic Equations and Inequalities

Please solve the attached equation!!

ICSE IX Maths

a^6 - 7a^3 - 8 a^3 - 27b^3 +2a^2b + 6ab^2 1029 - 3x^3

JEE Plances JEE (Main) Maths

The number of real roots of equation (x-1)^2 + (x-2)^2 + (x-3)^2) = 0 is? A. 2       B. 1 C. 0       D. 3        

JEE Plances JEE (Main) Maths

Log^2(4-x)+log(4-x).log(x+1/2)-2log^2(x+1/2)=0 , find x

CBSE X Maths

if alpha and beeta are zeros of quadratic equation ax +by+c =0 then 1/alpha -1/beeta

CBSE X Maths Quadratic Equations

The difference of two natural numbers is 3 & the difference of their reciprocals is 3/28.Find the numbers.

JEE Plances JEE (Main) Maths Quadratic Equations and Inequalities

Solve:

CBSE X

JEE Plances JEE (Main) Maths

How to find intersection of conditions in quadratic equations to determine the final answer.

CBSE X Maths Quadratic Equations

Solve for x in the equation 2m(1+x²)-(1+m²)(x+m)=0

CBSE X Maths Quadratic Equations

Find the values of a for which the equation a²x²+2(a+1)x+4=0

CBSE X Maths

Suppose p and q are real numbers which do not take simultaneously the values p=0, q=1. Suppose the equation (1-q+p²/2)x² + p(1+q)x + q(p-1) + p²/2=0 has two equalroots. Prove that p²=4q

CBSE X Maths Quadratic Equations

Find the values of x for which the roots g and h of the equation t²-8t+x=0 satisfy the condition that g²+h²=4. Find also the roots of the equation corresponding to these valueas of x.  

CBSE X Maths

Find all the values of a for which the equations x²+ax+1=0 and x²+x+a=0 have at least one common root.

CBSE X Maths Quadratic Equations

Find all the integers a such that (x-a)(x-12)+2 can be factored as (x+b)(x+c) where b and c are integers.

JEE Plances JEE (Main) Maths

If a,b,c are positive real numbers, prove that both the roots of ax^2+bx+c=0 have negative real parts.

CBSE VIII Maths

two pipes running together can fill a tank in 100/9 minutes. if one pipe takes 5 minutes more than the other to fill the tank separately, find the time in which each pipe would fill the tank separately.  

CBSE VIII Maths

a pole has to be erected at a point on the boundary of a circular park of diameter 13 metres in such a way that the difference of its distance from two diametrically opposite fixed gates A and B on the boundary is 7 metres. Is it the possible to do so? If yes, at what distances from the two gated should the pole be erected?

JEE Plances JEE (Main) Maths

Question Number 10.

ICSE XII Science Maths

if the matrix  [ 0    6 - 5x]    is symmetric, find the values of x.                     [ x²     x + 3]

ICSE IX Maths

x/p + y/q = 2 px -qy = (a^2 - b^2) Solve using cross multiplication method of linear equations

JEE Plances JEE (Main) Maths

: The equations 5x2 + 12x + 13 = 0 and ax2 + bx + c = 0 (a,b,c belongs to R) have a common root, where a, b, c are the sides of the triangle  ABC. Then find angle C

CBSE VIII Maths

the speed of a boat in still water is 8 km/hr . it can go 15 km upstream and 22 km downstream in 5 hours. find the speed of the stream

CBSE VIII Maths

an express train takes 1 hour less than a passenger train to travel 132km between Mysore and Banglore(without taking into consideration the time they stop at intermediate stations). if the average speed of the express train is 11km/hr more than that of the passenger train, find the average speeds of the two trains?

JEE Plances JEE (Main) Maths

Solve the following:

ICSE IX Maths

a/x-b/y=0   2. ab²/x+a²b/y=a²+b²

JEE Plances JEE (Main) Maths Quadratic Equations and Inequalities

Solve:

JEE Plances JEE (Main) Maths

Solve;

JEE Plances JEE (Main) Maths

Solve:

JEE Plances JEE (Main) Maths

Solve:

CBSE X Maths

Solve the following equation: X2 – 8X+ 15 = 0

CBSE X Maths

Solve the following equation: 5X2  = X + 1  

CBSE X Maths

Is, 5X2  - 64 = 4X2  . Why ?

CBSE X Maths

Determine λ so that the equation x2 + λx  + λ + 1.25 = 0 has Two distinct roots Two coincident roots.  

CBSE X Maths

If the roots of the quadratic equation ax2 +bx + c are sin α and cos α, then a2 + b2 = c2 a2  - 2bc = b2 b2 + 2ac = a2 b2 - 2ac = a2  

CBSE VIII Maths

5xsquare+13×+6

ICSE X Maths

A can do a piece of work in 'x' days and B can do the same work in (x+16)days . If both working togather can do it in 15 days;calculate 'x'.

ICSE IX Maths

(x+1)(x+2)(x+3)(x+4)-3  please factorise this

ICSE VIII Maths

If the same numbers be added to the numbers 2,4,14 and 22 then the resultant numbers are in proportional. Find the number 

CBSE VIII Maths

find the value of a and b in x^2+ax-2=(x-1)(x+b)

CBSE X Maths

  The line represented by x=7 is parallel to the x axis .justify whether the statement is true or not.   2.is the following statement true or not?justify our answer.  if the zeros of a quadratic polnomial ax²+bx+c are both negetive, then a,b,c all have the same sign. 3. if the polynomial x4-6x³+(sixteen) x²-25x+tenx is divided by another polynomial x²-2x+k,the remainder comes out to be x+a, findk and a

JEE Plances JEE (Main) Maths Complex Numbers

Sir Question no 22

CBSE X Maths Quadratic Equations

This was not solved. so please solve and send us. Solve the following equation: 5X2  = X + 1

CBSE X Maths Quadratic Equations

Page 72 If one root of the two quadratic equations x2 + ax + b = 0 and x2  + bx + a = 0 is common , then a +  b = 1 a +  b = -1 ab = 1 ab = -1  

ICSE X Maths Quadratic Equations

3(x-2)2=147

JEE Plances JEE (Main) Maths

The Equation ax^2+bx+c=0 has sin(theta) and cos(theta) as its roots, then find the value of  (a+c)^2/b^2+c^2.

CBSE X Maths Quadratic Equations

if x=3 is aroot of the equation x2-x+k=0,find the value of p so that the roots of the equation x2+k(2x+k+2)+p=0 are equal.

CBSE X Maths Quadratic Equations

If a,b,c are real numbers such that ac not equal to 0 ,then show that at least one of the equations ax^2+bx+c=0 and -ax^2+bx+c=0 has real roots

CBSE X Maths Quadratic Equations

SOLVE FOR x:

•    
• 

CBSE X Maths

If alpha and beta are the zeros of quadratic polynomial x^2+x-2 ,then value of 1/alpha-1/beta=?

ICSE X Maths

If -5 is a root of the equation 2xsquare+px-15=0 and pxsquare+px+k=0 has equal roots,find the value of k

CBSE XI Science Maths Complex Numbers and Quadratic Equations

If the roots of 1/x+a + 1/x+b = 1/c are equal in magnitude but opposite in sign prove that c=a+b/2

CBSE X Maths Quadratic Equations

find the value of k for which one root of the quadratic equation kx²-14x+8=0 is 2

CBSE XI Science Maths Complex Numbers and Quadratic Equations

Answer for this question is? 

ICSE X Maths

abx^2-(a^2-b^2)x-ab, solve by sridhara acharyya's method.

ICSE IX Maths

factorise     2 x     + 11x + 30

ICSE VIII Maths Quadratic Equations

Factorise; 12x²-x-1

ICSE X Maths

Solve that , a/(ax-1)+b/(bx-1)=(a+b)

CBSE X Maths Quadratic Equations

A piece of cloth costs Rs 200.If the piece was 5m longer and each metre of cloth costs Rs 2 less  the cost of the piece would have remained unchanged . How long is the piece and what is the original rate per metre.  

CBSE VIII Maths Algebraic Expressions and Identities

X2 + 10x + 16

ICSE X Maths

A stone is thrown vertically downwards and the formula d=16t^2+14t gives the distance d metres ,that it falls in t seconds. How long diea it take to fall 420 metres?

CBSE X Maths

For what value of k the equation 9x^2 +3kx +4 =0 have equal roots

ICSE X Maths

The hotel bill for a no.of people for overnight stay is Rs: 4800 if there were 4 more , the bill each person had to pay would hv reduced by rs 200 . Find the no.of people staying overnight

ICSE IX Maths

Please answer fast.

CBSE X Maths

Write a quadratic equation whose roots are alpha + 1 and -(alpha+6)

CBSE X Maths Quadratic Equations

If the roots of x2+bx+c=0 be in the ratio 3:4, show that 12b2=49ac.

CBSE X Maths Quadratic Equations

Find the zeros of polynomial p(x) = 2x²+6-8x

ICSE X Maths Quadratic Equations

A two digit positive number is such that the product of its digit is 6. If 9 is added to the number, the digits interchange their places. Find the number.

CBSE X Maths

Ram bought ‘a’ flowers for ‘b’ rupees, where ‘a’ and ‘b’ are integers. If he had bought 10 more flowers he would have got all for Rs. 2 and saved 80 paisa a dozen. What are the respective vales of ‘a’ and ‘b’?

CBSE X Maths Quadratic Equations

If -5 is a root of the quadratic equation 2x2+ px –15 = 0 and the quadratic equation p(x2+ x)k = 0 has equal roots, find the value of k.

CBSE X Maths

if  alpha and beta are zeroes of the perpendicular f(x) =xsquare-x -k such tha alpha - beta=9 find k  

CBSE X Maths Quadratic Equations

What are the roots of ax2 +bx+c ~o

CBSE X Maths

State the standard form of quadratic equation . Solve it by the method of perfect square

CBSE X Maths

4√3x^2+5x-2√3=0 Solve the quadratic equation

CBSE X Maths

If one zero of a polynomial 3x2-8x+2k+1 is seven times the other ,find the value of k

ICSE X Maths Quadratic Equations

In quadratic equation how to solve each of the following equation (2x+3)2=81

CBSE X Maths Quadratic Equations

solve for x

CBSE X Maths Quadratic Equations

solve for x

CBSE X Maths Quadratic Equations

1/(x-1) (x-2) + 1/(x-2) (x-3) = 2/3

CBSE X Maths Quadratic Equations

6. A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km at an average speed of 6 km/h more than the first speed. If it takes 3 hours to complete the total journey, what is its first speed?

CBSE X Maths

For what value of k the quadratic equation (k+4)x2 +(k+1)x+1=0 has equal roots

CBSE X Maths Quadratic Equations

If -5 is a root of the quadratic equation 2x^2+ px –15 = 0 and the quadratic equation p(x^2+ x)k = 0 has equal roots, find the value of k.

CBSE X Maths Quadratic Equations

Factorise 2x^2-25+3

JEE Main Maths

If a,b,c are in A.P then the roots of the equation ax^2+2bx+c=0 are 

CBSE X Maths

if alpha beta are the zeroes of xsquare +px +q then find the value of {alpha/beta}+{beta/alpha+2}

CBSE X Maths

if alpha beta are the zeroes of 25psquare -15p+2 then find a quadratic polunomial whose zeroes 1/2alpha and 1/2 beta

ICSE X Maths

Solve for x: 4(x-1/x)² + 8( x+1/x)=29

ICSE X Maths

(x-1)^2-3x+4=0 find value of x  

JEE Main Maths

If A ,G, H  be he arithematic geometric and harmonic mean of two numbers a and b then quadratic equation whose roots are A And H May be

JEE Main Maths

Q.The number of points(b,c)lying on the circle x^2+(y-3)^2=8 such that the quadratic equation t^2+by+c=0 has real roots is 

CBSE X Maths

With carrying out actual factorisation and using the relation between find the roots of 2x^2+9x+7

CBSE X Maths

find the zeroes of each of following quadilaterals polynomials and veerify the relationships between the zeroes and the coefficients :- 1.f(X) =x^2-15  

CBSE VIII Maths

4pq(q2+6q-16)÷ 2p(q+8)

CBSE X Maths Quadratic Equations

factorisation of x2+x+1

CBSE X Maths Quadratic Equations

solve a/x-b +b/x-a =2 where x is not equal to a,b

CBSE X Maths Quadratic Equations

Write a quadratic polynomial,the sum of two zeroes is 2root 3 and product of its zeroes is 2

CBSE X Maths Quadratic Equations

f(x)=6x2-3-7x

CBSE X Maths Quadratic Equations

x + 1/x = 3 . Find x by Quadratic formula 

CBSE X Maths Quadratic Equations

Solve 43x×x+5x-2root 3=0

CBSE X Maths Quadratic Equations

if the squared difference of the zeroes of the quadratic polynomil f(x)=x square+px+45 is equal to 144,then find the value of p? in this answer how 4ab comes?

CBSE X Maths Quadratic Equations

if alpha and beta are zeros of 4xsquar+4x+1 then form a quadratic polynomials whose zeros are 2alpha and 2beta .  

CBSE X Maths Quadratic Equations

If alpha and beta are the zeroes of the quadratic equation ax²+bx+c, then evaluate alpha minus beta   

CBSE XI Science Maths Complex Numbers and Quadratic Equations

Q.13  

CBSE XII Science Maths

What is the ans to this question??

CBSE X Maths Polynomials

If αand βare the two zero polynomial  of the polynomial x ²-3x+2 find quadratic polynomial whose zeros are α+βand 1/α+1/β  

ICSE VIII Maths Factorisation

(9y^2-18xy+9x^2) /(3x-3y) 

CBSE X Maths Quadratic Equations

What is the formula of quadric polynomial  

CBSE XI Science Maths Complex Numbers and Quadratic Equations

Please explain breifly !

CBSE X Maths Quadratic Equations

Find the quadratic polynomial if the sum of zeroes are 6and product of zeroes are 4 And verify the relationship between zeroes and coefficient

CBSE X Maths Quadratic Equations

Two water taps together can fill tank in 9hours 36 minutes . The tap of larger diameter takes 8 hour less than smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.

CBSE X Maths Quadratic Equations

Solve for X:

CBSE XI Science Maths Complex Numbers and Quadratic Equations

For what value of k will be the roots of the expression(4-k)+2(k+2)+8k+1 become a perfect square

CBSE XI Science Maths Complex Numbers and Quadratic Equations

CBSE XI Science Maths Complex Numbers and Quadratic Equations

For the equation , p>0, if one of the root is square of the other then possible value of p?

CBSE XI Science Maths Complex Numbers and Quadratic Equations

If the two equations 3x^2+ax+1=0 and 2x^2+bx+1 have a common real root, find a and b.

CBSE X Maths Quadratic Equations

4x2-2(a2-b2)x+a2b2=0.solve eqn by completing square method.   

ICSE X Maths Quadratic Equations

solve the quadratic equation

give your answer correct to two significant figures

ICSE X Maths Quadratic Equations

solve:

ICSE X Maths Quadratic Equations

A train covers 120 km at a uniform speed if it's speed is increased by 15km/h it would have covered the distance in 40 mins less find the original speed  

JEE Main Maths Complex Numbers and Quadratic Equations

Sir plz solve it step by step,thanks

CBSE X Maths Quadratic Equations

how to solve (2-x)(5-x)-4

CBSE IX Maths Polynomials

Factorise The given  Polynomial

CBSE IX Maths

2x^2/3-12x/3=28

CBSE X Maths Quadratic Equations

write an equation whose zeros are -3 and 4.

ICSE IX Maths

Explain me quadratic equation in detail.In expalin. 

CBSE X Maths Quadratic Equations

how to factorise x^2-15x-3000  

ICSE X Maths Quadratic Equations

For what value of k , (4-k)x2 +(2k+4)x +(8k+1) = 0 is a perfect square  

ICSE IX Maths

a^2+5a+6

CBSE X Maths Quadratic Equations

CBSE X Maths Quadratic Equations

Find the roots of root of 2x^2+9=9

JEE Main Maths Complex Numbers and Quadratic Equations

Sir please provide solution 

CBSE VIII Maths Factorisation

Find b if ( x - 3 ) (x + b ) = xx - 7x + 12

CBSE X Maths Quadratic Equations

The age of Kavya and Kartik Are 11 yrs  14 years in how many years can will be the product of their ages 304

CBSE X Maths Quadratic Equations

Out of group of swans 7/2 times the square root of the number are playing on the shore of tank.The teo remaining ones are playing,with amorous fight,in the water.What is the total number of swans?

CBSE X Maths Quadratic Equations

how to solve X2+4

Maharashtra IX Maths

how to factorise (xsq.-x)sq -8 (xsq.-x ) + 12 ??

ICSE IX Maths Factorisation

How did you get 3x^2 + 200x - 2300 =0

CBSE XII Science Maths

It is given that 'a'>0 and b^2-ac <0 then what can you say about symbol of the quadratic  equation (ax^2+bx+c )WILL IT BE POSITIVE OR NEGATIVE? Please explain reason also

CBSE XI Science Maths Complex Numbers and Quadratic Equations

write the quadratic equation, the arithmetic mean, Geometric mean of whose roots are A and G respectively

CBSE X Maths Quadratic Equations

Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.  1)¼,-1.     2)√2,⅓      3)0,√5.      4)1,1 5)-¼,¼       6)4,1  

CBSE X Maths Quadratic Equations

The perimeter of a rectangle is 24m and the area is 27square m find it's length and breadth

ICSE VIII Maths

X square- 4x+1  

CBSE X Maths Quadratic Equations

please solve question no 25

CBSE VIII Maths Factorisation

Factorise : -5x^2-x+4

ICSE X Maths Quadratic Equations

x²+15x-2700=0

CBSE X Maths Polynomials

Solve by splitting the middle term.

CBSE X Maths Quadratic Equations

find two consecutive odd natural number sum of whose square is 130

CBSE X Maths Quadratic Equations

What's the answer for this question?

CBSE X Maths Quadratic Equations

A passenger train takes 3 hours less for a journey of 360 km if it's speed is increased by 10 km/hr from its usual speed. Find the usual speed?

CBSE X Maths Quadratic Equations

A plane left 30 minutes late than its scheduled time and in order to reach the destination 1500 km away in time, it had to increase its speed by 100 km/h from the usual speed. Find its usual speed.  

ICSE X Maths Quadratic Equations

Ten years ago, Aminas age was square of her sisters age . Eleven years hence, she will be 6 yeas older than her sister. Find their present ages

ICSE X Maths Quadratic Equations

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ICSE X Maths Quadratic Equations

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ICSE X Maths Quadratic Equations

Sir/Madam, kindly explain the following sum, thank you. 

CBSE X Maths Quadratic Equations

solve this

CBSE X Maths Quadratic Equations

How to factorise 3x square -6x + 2 = 0  

ICSE X Maths Quadratic Equations

A passenger train leaves a station at 6. am followed by an express train which leaves at 6:30 am and travels 20 km faster than the passenger train. The express train arrives at a station 90 km away, fifteen minutes before the passenger train. Calculate their speeds.

ICSE X Maths Quadratic Equations

The numerator of a fraction is 2 less than its denominator. If 3 is added to each of the numerator and the denominator, the fraction increases by 1/18. Find the fraction.

ICSE X Maths Quadratic Equations

The perimeter of a rectangle is 60 cm. Take x as the breadth and express length in terms of x. If the area of a rectangle is 216 centimetre square, find the value of x.

ICSE X Maths Quadratic Equations

A woman is six times as old as her son. Two years ago, the product of their ages was 84. Find their present ages.

ICSE X Maths Quadratic Equations

A boy cycles to his friend's house, 8 km away, against the wind which blows at 6 km/hr. After some time he returns and notes that the double trip took him 2 hours 30 minutes. Find the boy cycling speed in still air if on the return trip he cycles with the wind.

ICSE X Maths Quadratic Equations

A person has rupees 9600 for his daily expenses on a tour. If his tour exceeds by four days, he must cut his daily expenses by 200 rupees. Take the number of days as x, frame an equation in x and solve it.

CBSE X Maths Polynomials

the quadratic polynomial whose zero is 3 and product of zeros is -2 is

ICSE X Maths Quadratic Equations

8x2-22x-21=0,Quadratic equation

CBSE X Maths Quadratic Equations

Derivation of quadritic formula

ICSE X Maths Quadratic Equations

A number consist of two digits whose product is 18.If 27 is added to the number,the digits interchange their places . Find the number  

ICSE X Maths Quadratic Equations

A twodigits number contains the smaller of the two digits in the unit place . The product of the digits is 40 and the difference between the digits is 3. Find the number.

ICSE VIII Maths Factorisation

How to factorise x2+6x+8  

CBSE VIII Maths

Solve the following quadratic equation by Factorisation: 3√5x²+25x-5√5=5√5

ICSE X Maths Quadratic Equations

a two digit number is such that the product of the digits is 8. when 18 is added to the number then the digits are reversed find the two digit number

ICSE X Maths Quadratic Equations

a two-digit number is such that the product of the digits is 8. if if 27 is added to the number the digits interchange their places find the number

ICSE X Maths Quadratic Equations

are two digit number contains smaller of the two digits in the units place. the product of the the digits is 40 and the difference is 3 find the number

ICSE X Maths Quadratic Equations

Sir/ Madam, from Selina TXT bk class 10 ICSE ex 6B no. 8, kindly explain why the sum of their areas underlined in red is not X(X+4) +X(X+4)=656  (Which is  l*b + l*b = 656)  Thank you.

ICSE X Maths Quadratic Equations

2x-3=√2x²-2x+21

ICSE X Maths Quadratic Equations

x\3+3\6-x=2(6-x)\15

ICSE X Maths Quadratic Equations

8/x+3-2=3/2-x

ICSE IX Maths

a^2+1/a^2=47 simplify  

CBSE XI Science Maths Complex Numbers and Quadratic Equations

The quadratic equation, who's roots are reciprocal of the roots of the equation- ax^2+bx+c,is?

Maharashtra X Maths

Alpha-bita=3,alpha^3+beta^3=189,fin f quadratic equation

CBSE X Maths Quadratic Equations

A fast train takes 3 hours less than a slow train for a journey of 600 km. If the speed of slow train is 10 km / hr less than that of the fast train, find the speeds of the two trains. 

ICSE X Maths Quadratic Equations

25x^2+30x+7=0 solve by formula

ICSE X Maths Quadratic Equations

x^2 + 7x  + 12 = 0

ICSE X Maths Quadratic Equations

(x^2-x)^2+5(x^2-x) +4=0

CBSE X Maths Quadratic Equations

The angry arjun carried some arrows for fighting with  bheeshm with half the arrows he cut down the arrows thrown by bheeshm on him.And with six other arrows he killed the rath driver of bheeshm with arroweach he respectively knocked down the rath,flag,bow of bheeshm.finally with one more than 4 times square root of arrows he laid bheeshm unconscious on arrow bed.find the total no arrows.

CBSE XI Science Maths Complex Numbers and Quadratic Equations

   the equation x minus 2 to the power 2 + x - 2 - 2 = 0 has how many roots

CBSE X Maths Quadratic Equations

 If I had walked 1 km/hr faster, I would have taken 15 minutes less to walk 3 km. Find the rate at which I was walking.

CBSE X Maths Quadratic Equations

 Solve the quadratic equation by the formula method. x2 + x - 2 = 0

CBSE X Maths Quadratic Equations

 Ruhi’s mother is 26 years older than her. The product of their ages (in years) 3 years from now will be 360. Form a Quadratic equation so as to find Ruhi’s age

ICSE X Maths Quadratic Equations

1/(2a+b+2x)=1/2a+1/b+1/2x I hope u understand the question...in words it is - one upon twice of a plus b plus twice of x equals one upon twice of a plus one upon b plus one upon twice of x

CBSE XI Science Maths Complex Numbers and Quadratic Equations

find the value of p and q if the equation px²+5x+2=0 and 3x²+10x+q=0 have both roots in common.

ICSE IX Maths Factorisation

6x²-7x-5

CBSE X Maths Quadratic Equations

a square×x square-3abx+2bsquare= 0

ICSE VIII Maths Factorisation

x:X2-12x+32=0

ICSE X Maths Quadratic Equations

A man brought some books fir ruppees 1200when the price of each rose by rupees 30 he could buy 2 books less for ruooees 1200find the original prucr of the book

ICSE X Maths Quadratic Equations

please solve it .

ICSE X Maths Quadratic Equations

If x=2 and x=3 are the roots of the equation 3x2-2kx+2m=0. then what is the value of m. 

CBSE X Maths Quadratic Equations

find the roots of the following quadratic equations by factorisation x^2_3x_10=0

CBSE X Maths Quadratic Equations

answer

CBSE VIII Maths Factorisation

1.  

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CBSE X

9x²-9(a+b)x+(2a²+5ab²+2b²)=0

CBSE XII Science Maths

Consider the two equations x2 + Px + 2 = 0 and x2 + 2x + P = 0. Find the sum of the all possible values of P for which the equations have atleast one common real root.

CBSE XI Science Maths Complex Numbers and Quadratic Equations

 If the A.M. of the roots of a quadratic equation is 8 5 and A.M. of their reciprocals is 8 7 , then the quadratic equation is - (A) 5x2  – 8x + 7 = 0 (B) 5x2  – 16x + 7 = 0 (C) 7x2  – 16x + 5 = 0 (D) 7x2  + 16x + 5 = 0

CBSE X Maths Quadratic Equations

please clear

CBSE X Maths

If 'a' and 'b' are the zeroes of the quadratic polynomial x²-3x+2 .find the value of 1 ¹/a² + 1 ¹/b²  

CBSE XI Science Maths Complex Numbers and Quadratic Equations

questions 6

ICSE X Maths

If the equation 𝑘𝑥 2 − 2𝑘𝑥 + 6 = 0 has equal roots, then find the value of k.

CBSE X Maths Quadratic Equations

Two water taps together can fill a tank in 9⅜ hour.the tap of larger diameter taks 10 hour less then the smaller one to fill the tank separately.find the time in which each tap can separately fill the tank. [CBSE(Delhi)2019]

CBSE X Maths

If a and b can take values 1,2,3,4 .Then the number of the equations of the form ax^2+bx+1= 0 having real roots is 10 7 6 12

CBSE X Maths Quadratic Equations

Find the zeroes and verify the relationship between the zeroes and the its coefficient. X2 -2x - 8 = 0

ICSE IX Maths Factorisation

x^2-12x+20=0

ICSE X Maths Quadratic Equations

2/3 and 1 are solutions of equation mx^2+nx+6=0. find the values of m and n.

ICSE X Maths Quadratic Equations

The sum of the square of three consecutive even integers is 200.find the number

CBSE X Maths Quadratic Equations

t²-t+2 factorize

CBSE X Maths Quadratic Equations

if X square + 2K x kx + 4 4 is equal to zero has a root x is equal to 2 find the value of k

ICSE X Maths Quadratic Equations

one root of the quadratic equation x^2-12x+a=0 is thrice the other. find the value of a

ICSE X Maths Quadratic Equations

x+1/x-1=3x-7/2x-5

CBSE IX Maths Polynomials

factorise : x^2-4x-8=0

ICSE X Maths Quadratic Equations

3x (2x-5) +6=2x(3x+5) -6

ICSE X Maths Quadratic Equations

Quadratic equation

CBSE XI Science Maths Complex Numbers and Quadratic Equations

Please solve all of these questions with proper explanation

CBSE VIII Maths Factorisation

factorize it 7x²+11x-6

CBSE X Maths Quadratic Equations

Anita and Ritu together have 26 marbles. Both of them lost 3 marbles each, and the product of the number of marbles they now have is 91. Form a quadratic equation  

CBSE XI Science Maths Complex Numbers and Quadratic Equations

let the equations be x^2+x+2=0 and ax^2+bx+1=0 have atleast one common root then a+b equals to

ICSE IX Maths Simultaneous (Linear) Equations

the sum two number x and y is 10 and their product is 8.

CBSE X Maths Quadratic Equations

(a^2+b^2)x^2-2(ac+bd)x+(c^2+d^2)=0

ICSE X Maths Quadratic Equations

x²-6x=26

CBSE X Maths Quadratic Equations

1/x+4 - 1/x-7=11/30

CBSE X Maths Quadratic Equations

√2x+6 -x=13

CBSE X Maths Quadratic Equations

x² + 7x - 10 = 0 solve the quadratic eq

CBSE X Maths Quadratic Equations

write (x-2)-x=3x(x-2) in the form of quadratic equation

ICSE IX Maths Factorisation

x⁴-14x²+1

CBSE X Maths Pair of Linear Equations in 2 Variables

exceeds it's bredth by 3m

CBSE X Maths Quadratic Equations

3x2+32x+24=0

CBSE X Maths Quadratic Equations

if one zero of 2x²-5x+lambda is 3/2, then find the value of lambda and other zero

CBSE X Maths Quadratic Equations

5x^2 - 8x - 4

CBSE X Maths Quadratic Equations

2(x+y)^2-9(x+y)-5

JEE Main Maths Complex Numbers and Quadratic Equations

3v^-27v-30

CBSE X Maths Quadratic Equations

Let alpha and beta are the zeroes of a quadratic polynomial 2x²-5x-6 then form a quadratic polynomial whose zeroes are alpha+beta and alpha×beta

CBSE X Maths Quadratic Equations

2x²-x+1/8 solve by completing square method

ICSE X Maths Quadratic Equations

9/2x=5+x square

CBSE X Maths Quadratic Equations

if alpha and bita are the zeroes of a quadratic polynomial X^2+X-2 then find the value of(1/alpha -1/bita)

ICSE X Maths Quadratic Equations

Two squares have sides x cm and (x+5)cm .The sum of their areas is 697 sq.cm.-thanks (i)Express this as an algebraic equation in x. (ii)Solve this equation to find the sides of the squares.

CBSE X Maths Quadratic Equations

Some student planned a picnic. The budget for the food was ₹480.as eight of them failed to join the party, the cost of the food for eachember increase by ₹10 find howany student went on the picnic

CBSE XI Science Maths Complex Numbers and Quadratic Equations

Pls solve