solve ax/b - by/a = a+b ; ax - by = 2ab by elimination method
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Step-by-step explanation:
ax/b - by/a=a+b
a^2x- b^2y=ab(a+b) Equation 1
ax-by=2ab. Equation 2
a^2x - bay= 2a^2b ( multiplying by a) Equation 2
a^2x-b^2y=a^2b+ab^2. Equation 1
Subtracting it:
b^2y-bay=a^2b-ab^2
by(b-a) = ab(a-b)
by(b-a)=-ab(b-a)
by=-ab
y=-ab/b
y= - a
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