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Solve for x and y X/a +y/b = 2 ax - by = a 2 - b 2

Posted by Ronak Jain 6 years, 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Amaresh Basu 6 years, 9 months ago

x/a + y/b = 2 ay + xb = 2ab----------( 1 ) ax - by = a² - b²---------( 2 ) from-----( 1 ) &-------( 2 ) multiply ( 1 ) by "a" ( 2 ) by "b" abx + a²y = 2a²b abx - b²y = ba² - b³ ------------------------------------------------- y(a² + b²) = 2a²b - ba² + b³ y(a² + b²) = a²b + b³ y(a² + b²) = b(a² + b²) y = b [ put in -----( 1 )] we get, ay + xb = 2ab a(b) + xb = 2ab xb = 2ab - ab x =ab/b x=a

1Thank You

Chirayu . 6 years, 9 months ago

is that a2 or a^2

1Thank You

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