Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

The solutions of the equations : x  -  y  =     a – b a     b ax+by= a3 + b3
Asked by miniprasad | 05 Jun, 2018, 08:24: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight x over straight a minus straight y over straight b equals straight a minus straight b rightwards double arrow bx minus ay equals straight a squared straight b minus ab squared....... open parentheses 1 close parentheses ax plus by equals straight a cubed plus straight b cubed........... open parentheses 2 close parentheses left parenthesis 1 right parenthesis cross times straight b straight b squared straight x minus aby equals straight a squared straight b squared minus ab cubed....... open parentheses 3 close parentheses left parenthesis 2 right parenthesis cross times straight a straight a squared straight x plus aby equals straight a to the power of 4 plus ab cubed....... open parentheses 4 close parentheses left parenthesis 3 right parenthesis plus left parenthesis 4 right parenthesis open parentheses straight a squared plus straight b squared close parentheses straight x equals straight a squared straight b squared plus straight a to the power of 4 straight x equals fraction numerator straight a squared straight b squared plus straight a to the power of 4 over denominator straight a squared plus straight b squared end fraction space space space put space in space left parenthesis 2 right parenthesis straight a fraction numerator begin display style straight a squared straight b squared plus straight a to the power of 4 end style over denominator begin display style straight a squared plus straight b squared end style end fraction plus by equals straight a cubed plus straight b cubed fraction numerator begin display style straight a cubed straight b squared plus straight a to the power of 5 end style over denominator begin display style straight a squared plus straight b squared end style end fraction plus by equals straight a cubed plus straight b cubed fraction numerator begin display style straight a cubed straight b squared plus straight a to the power of 5 plus yb open parentheses straight a squared plus straight b squared close parentheses end style over denominator begin display style straight a squared plus straight b squared end style end fraction equals straight a cubed plus straight b cubed yb open parentheses straight a squared plus straight b squared close parentheses equals open parentheses straight a cubed plus straight b cubed close parentheses open parentheses straight a squared plus straight b squared close parentheses minus straight a cubed straight b squared minus straight a to the power of 5 yb open parentheses straight a squared plus straight b squared close parentheses equals straight a to the power of 5 plus straight b to the power of 5 plus straight b cubed straight a squared plus straight a cubed straight b squared minus straight a cubed straight b squared minus straight a to the power of 5 yb open parentheses straight a squared plus straight b squared close parentheses equals straight b to the power of 5 plus straight b cubed straight a squared straight y equals fraction numerator straight b to the power of 4 plus straight b squared straight a squared over denominator straight a squared plus straight b squared end fraction end style
Answered by Arun | 06 Jun, 2018, 10:33: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
(SinA/1+CosA + 1+cosA/sinA) (sinA/1-cosA - 1-cosA/sinA)=4cosecAcotA    
Asked by prasadshruti9999 | 03 Jun, 2023, 10:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
cot2 30-2cos2 60-3/4sec2 45-4sec2 30
question image
Asked by Akhandp457 | 29 May, 2023, 09:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
find the zeroes of the quadratic polynomial and verify the relationship between the zeroes and the coffiecient 4u+8u
Asked by dimpaldihingia2 | 24 May, 2023, 06:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
if sin theta = root3/2, find the value of all t- ratios
Asked by akhilthainuan | 22 May, 2023, 02:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If α and β are tge zeros of the polynomial x^2 - 6x + k and 3α + 2β=20 , then the value of k is
Asked by ruchipandey20071978 | 21 May, 2023, 10:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If one of the zeros of the quadratic polynomial (k - 1)x^2 + kx + 1 is -3, then the value of k
Asked by ruchipandey20071978 | 21 May, 2023, 09:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If the sum of the zeors of the polynomial f (x)=2x^3 - 3kx^2 +4x - 5 is 6 , then the value of k is
Asked by ruchipandey20071978 | 21 May, 2023, 05:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If two zeros of x^3 + x^2 - 5x - 5 are √5 and - √5, then its third zero is
Asked by ruchipandey20071978 | 21 May, 2023, 05:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
The value of k for which the system of equestions kx-y=2 and 6x-2y=3 has a uniqe solution is..
Asked by ruchipandey20071978 | 11 May, 2023, 06:55: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
a regular polygon has 20 sides. how many triangles can be drawn by using the vertices but not using the sides?
Asked by gavhanenisha0310 | 09 May, 2023, 04:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt