solve for x and y

Asked by NISHANT.1994 | 7th May, 2009, 11:27: PM

Expert Answer:

Let 
bx+ay=2ab  .....(i)

ax-by=a^2-b^2......(ii)

multiplying (i) by b and (ii) by a we get

b2x +ab y = 2ab2  

a 2 x - ab y = a3-ab2

adding these two equations we get 

(a2+b2)x = a(a2+b2)

So x = a and y =b

Answered by  | 8th May, 2009, 11:11: AM

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