Question

what is the value of 1/(x-y) -{1/(x+y)}

Answer 1

{1/(x-y)-1/(x+y)}= {(x+y)-(x-y)/(x-y)(x+y)}
=x+y-x+y/x^2-xy+xy-y^2
=2y/x^2-y^2

Answer 2

Heya,

Here is the solution:-

1/(x-y) -{1/(x+y)}

= 1/(x-y) - 1 / (x+y)

= x+y -x+y/ x^2 - y^2

= 2y/ x^2 - y^2.


Hope it helps u...