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Quadratic Equation

CBSE X Mathematics Quadratic Equations

Please solve question no 6 with proper explanation 

Asked by adityaahuja099 11th December 2017 9:12 PM
Answered by Expert

ICSE X Mathematics

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

Asked by Vaibhav.verma.3914207 8th January 2018 9:30 PM
Answered by Expert

CBSE X Mathematics Polynomials

construct the quadratic equation. if the sum and the product of the roots are 3 and -2 respectively.

Asked by Saba 13th January 2018 12:55 PM
Answer Verified by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by gpnkumar0 29th January 2018 8:16 PM
Answered by Expert

ICSE X Mathematics Quadratic Equations

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

Asked by gpnkumar0 29th January 2018 8:22 PM
Answered by Expert

ICSE X Mathematics Quadratic Equations

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

Asked by Kumar Swamy 14th February 2018 6:58 AM
Answered by Expert

CBSE X Mathematics

The zeros of quadratic polynomial X square + 7 x + 10 and verify the relation between zeroes and coefficients

Asked by Ak9639315541 16th February 2018 2:30 PM
Answer Verified by Expert

ICSE X Mathematics

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

Asked by Dev 17th February 2018 5:51 PM
Answered by Expert

ICSE X Mathematics

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

Asked by Ananya 18th February 2018 7:21 PM
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ICSE X Mathematics Quadratic Equations

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

Asked by lovemaan5500 18th February 2018 9:21 PM
Answered by Expert

ICSE X Mathematics Quadratic Equations

Q6 b part

Asked by lovemaan5500 26th February 2018 7:01 AM
Answered by Expert

CBSE X Mathematics Quadratic Equations

straight x squared plus 5 straight x plus 6 equals 0

Find the roots.

Asked by sagarmishra 1st March 2018 6:51 PM
Answered by Expert

ICSE IX Mathematics

Show that the following quadratic equations are real roots. Also find their roots.a right parenthesis space 3 x to the power of 2 space end exponent plus space 2 x square root of 5   end root minus 5
b right parenthesis space 2 x squared space plus space 5 square root of 3 space x space plus space 6
c right parenthesis space 16 x squared space equals space 24 x space plus space 1
d right parenthesis space x squared space minus left parenthesis 1 space plus space square root of 2 space right parenthesis x space plus square root of 2 space equals space 0

Asked by dr_pradip27121972 11th March 2018 9:25 PM
Answered by Expert

CBSE X Mathematics

please slove question no 14.

Asked by sucharitasahoo1 23rd March 2018 10:37 PM
Answer Verified by Expert

CBSE X Mathematics 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.   

Asked by sucharitasahoo1 27th March 2018 4:05 AM
Answered by Expert

CBSE X Mathematics Quadratic Equations

q 14  

Asked by sucharitasahoo1 27th March 2018 4:06 AM
Answered by Expert

ICSE X Mathematics

Quadratic equations  Solve for x: x-1/x-2 + x-3/x-4 = 10/3 ( x is not equal to 2,4)

Asked by Suman 4th April 2018 7:30 PM
Answer Verified by Expert

ICSE X Mathematics Quadratic Equations

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

Asked by Suman 5th April 2018 6:52 PM
Answered by Expert

ICSE X Mathematics

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

Asked by Suman 5th April 2018 7:13 PM
Answered by Expert

ICSE X Mathematics

Q. 28,29,30

Asked by Rayeesa 9th April 2018 8:48 AM
Answered by Expert

ICSE X Mathematics

Q. 21,22,23,24

Asked by Rayeesa 9th April 2018 8:49 AM
Answered by Expert

ICSE X Mathematics Quadratic Equations

Q. 22

Asked by Rayeesa 10th April 2018 7:26 AM
Answered by Expert

ICSE X Mathematics Quadratic Equations

Q. 23

Asked by Rayeesa 10th April 2018 7:27 AM
Answered by Expert

ICSE X Mathematics Quadratic Equations

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

Asked by Suman 13th April 2018 12:15 PM
Answered by Expert

ICSE X Mathematics

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

Asked by Suman 13th April 2018 12:48 PM
Answered by Expert

ICSE X Mathematics

Q. 31

Asked by Rayeesa 14th April 2018 9:49 AM
Answered by Expert

ICSE X Mathematics

Q. 44

Asked by Rayeesa 14th April 2018 9:51 AM
Answered by Expert

ICSE X Mathematics

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

Asked by parindu_2006 15th April 2018 4:23 PM
Answered by Expert

ICSE IX Mathematics

9x²-(x²-4)²

Asked by Sahiltandon8352052624 26th April 2018 6:06 PM
Answered by Expert

CBSE XI Science Mathematics Complex Numbers and Quadratic Equations

22?

Asked by smanishkumar2002 9th May 2018 12:03 PM
Answered by Expert

CBSE XI Science Mathematics

?

Asked by smanishkumar2002 9th May 2018 12:04 PM
Answered by Expert

CBSE X Mathematics

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.

Asked by prakruthi1053 17th May 2018 9:45 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

i f space alpha & beta space a r e space t h e space z e r o s space o f space p o l y n o m i a l space p left parenthesis x right parenthesis equals x squared plus x plus 1 comma t h e n space f i n d space t h e space v a l u e s space o f space 1 divided by alpha plus 1 divided by beta space & space alpha squared plus beta squared

Asked by Prakash 23rd May 2018 2:27 PM
Answered by Expert

CBSE X Mathematics

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

Asked by angeliquerowina 29th May 2018 1:18 PM
Answered by Expert

ICSE X Mathematics

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

Asked by dibyamrao000 31st May 2018 8:43 AM
Answered by Expert

ICSE IX Mathematics

Q. XI

Asked by Rayeesa 1st June 2018 4:14 PM
Answered by Expert

CBSE X Mathematics

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

Asked by ratendra.johri 2nd June 2018 6:22 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

Q.5

Asked by 1784393325200864 8th June 2018 2:14 PM
Answered by Expert

CBSE X Mathematics 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?

Asked by vikasg13.hardware 13th June 2018 11:41 AM
Answered by Expert

CBSE IX Mathematics

Please answer all these questions

Asked by Girishdhawan 15th June 2018 4:46 PM
Answered by Expert

CBSE IX Mathematics Polynomials

Please answer the question below in the image

Asked by Girishdhawan 15th June 2018 9:38 PM
Answered by Expert

CBSE X Mathematics

If one root of a quadratic equation is (2-square root of 3)/2 , then find the other root

 

Asked by himanshudahiya272003 20th June 2018 4:48 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by sargu2014477 20th June 2018 8:53 PM
Answered by Expert

JEE JEE (Main) Mathematics

√5x^2-6x +8 - √5x^2- 6x -7=1  

Asked by chemprakash 21st June 2018 3:14 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

Please solve the question 

Asked by vikasg13.hardware 22nd June 2018 10:07 PM
Answered by Expert

CBSE IX Mathematics

Please answer both 1st part and 2nd part 

Asked by Girishdhawan 23rd June 2018 8:47 AM
Answered by Expert

CBSE X Mathematics

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

Asked by piyushpl9527 27th June 2018 4:28 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

Please solve this question 

Asked by vikasg13.hardware 28th June 2018 6:10 AM
Answered by Expert

CBSE X Mathematics Quadratic Equations

Please solve this question 

Asked by vikasg13.hardware 28th June 2018 6:24 AM
Answered by Expert

JEE JEE (Main) Mathematics

Someone please solve this quadratic equation!! 

Asked by pukai7229 30th June 2018 11:15 AM
Answered by Expert

JEE JEE (Main) Mathematics Quadratic Equations and Inequalities

Please solve the attached equation!!

Asked by pukai7229 30th June 2018 11:18 AM
Answered by Expert

ICSE IX Mathematics

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

Asked by shweta45gaikwad 1st July 2018 12:25 PM
Answered by Expert

JEE JEE (Main) Mathematics

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        

Asked by Mansi 7th July 2018 11:22 AM
Answered by Expert

JEE JEE (Main) Mathematics

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

Asked by m.nilu 11th July 2018 7:02 PM
Answered by Expert

CBSE X Mathematics

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

Asked by ankit 23rd July 2018 9:09 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by agraharianiruddha 25th July 2018 9:15 PM
Answered by Expert

JEE JEE (Main) Mathematics Quadratic Equations and Inequalities

Solve:

Asked by Anish 30th July 2018 9:34 PM
Answered by Expert

CBSE X

  • x squared plus 2 x minus 5 equals 0

Asked by 263970164430568 4th August 2018 10:54 PM
Answered by Expert

JEE JEE (Main) Mathematics

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

Asked by Anish 6th August 2018 4:15 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by vikasg13.hardware 7th August 2018 4:52 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by vikasg13.hardware 7th August 2018 4:55 PM
Answered by Expert

CBSE X Mathematics

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.

Asked by vikasg13.hardware 7th August 2018 5:19 PM
Answered by Expert

CBSE X Mathematics 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.

Asked by vikasg13.hardware 7th August 2018 5:40 PM
Answered by Expert

JEE JEE (Main) Mathematics

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

Asked by Anish 16th August 2018 4:15 PM
Answered by Expert

JEE JEE (Main) Mathematics

Question Number 10.

Asked by Anish 28th August 2018 2:29 PM
Answered by Expert

ICSE XII Science Mathematics

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

Asked by drawing13334 30th August 2018 11:49 AM
Answered by Expert

ICSE IX Mathematics

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

Asked by shweta45gaikwad 30th August 2018 7:14 PM
Answered by Expert

JEE JEE (Main) Mathematics

Solve the following:

Asked by Anish 2nd September 2018 12:22 AM
Answered by Expert

ICSE IX Mathematics

a/x-b/y=0   2. ab²/x+a²b/y=a²+b²

Asked by RENU PANDEY 2nd September 2018 11:02 PM
Answered by Expert

JEE JEE (Main) Mathematics Quadratic Equations and Inequalities

Solve:

Asked by Anish 4th September 2018 3:29 PM
Answered by Expert

JEE JEE (Main) Mathematics

Solve;

Asked by Anish 4th September 2018 3:30 PM
Answered by Expert

JEE JEE (Main) Mathematics

Solve:

Asked by Anish 4th September 2018 10:45 PM
Answered by Expert

JEE JEE (Main) Mathematics

Solve:

Asked by Anish 4th September 2018 10:47 PM
Answered by Expert

CBSE X Mathematics

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

Asked by miniprasad 21st September 2018 5:23 PM
Answered by Expert

CBSE X Mathematics

Solve the following equation: 5X2  = X + 1  

Asked by miniprasad 21st September 2018 5:25 PM
Answered by Expert

CBSE X Mathematics

Is, 5X2  - 64 = 4X2  . Why ?

Asked by miniprasad 21st September 2018 5:27 PM
Answered by Expert

CBSE X Mathematics

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

Asked by miniprasad 21st September 2018 5:56 PM
Answered by Expert

CBSE VIII Mathematics

5xsquare+13×+6

Asked by 8340190921 22nd September 2018 7:48 PM
Answered by Expert

ICSE IX Mathematics

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

Asked by shahidbaba874 26th September 2018 9:44 PM
Answered by Expert

ICSE VIII Mathematics

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

Asked by Amansingh4358 28th September 2018 10:22 PM
Answered by Expert

CBSE VIII Mathematics

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

Asked by harishtdm77 1st October 2018 7:01 PM
Answered by Expert

JEE JEE (Main) Mathematics Complex Numbers

Sir Question no 22

Asked by shobhit 6th October 2018 4:31 PM
Answered by Expert

CBSE X Mathematics Quadratic Equations

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

Asked by miniprasad 6th October 2018 9:44 PM
Answered by Expert

CBSE X Mathematics 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  

Asked by miniprasad 13th October 2018 3:12 PM
Answered by Expert

ICSE X Mathematics Quadratic Equations

3(x-2)2=147

Asked by olivegreen1327 16th October 2018 10:36 PM
Answered by Expert

JEE JEE (Main) Mathematics

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.

Asked by Anish 16th October 2018 11:26 PM
Answered by Expert

CBSE X Mathematics 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.

Asked by mdraishbst 20th October 2018 5:25 PM
Answered by Expert

CBSE X Mathematics 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

Asked by samrajnydas 25th October 2018 11:50 AM
Answered by Expert

CBSE X Mathematics Quadratic Equations

SOLVE FOR x:

  • 2 a squared x squared plus b left parenthesis 6 a squared plus 1 right parenthesis x plus 3 b squared equals 0   
  • open parentheses fraction numerator 2 x over denominator x minus 5 end fraction close parentheses squared plus open parentheses fraction numerator begin display style 10 x end style over denominator begin display style x minus 5 end style end fraction close parentheses equals 24

Asked by Gounshi 1st November 2018 2:44 PM
Answered by Expert

CBSE X Mathematics

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

Asked by sujatamallick84 1st November 2018 9:06 PM
Answered by Expert

ICSE X Mathematics

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

Asked by dikshasinha17021976 16th November 2018 7:01 PM
Answered by Expert

CBSE XI Science Mathematics 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

Asked by rushabh1234 20th November 2018 11:19 AM
Answered by Expert

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