Question

Rewrite the expression using positive exponents only. Then simplify your answer completely. (x^2 - y^2)(x^-2+y^-2)

Answer 1

You can do it better but lets answer in this way :

Answer 2

X^2(X^-2+Y^-2)
What is the answer in this ?

Answer 3

Now :
x^2.y^-2

Answer 4

and now we have :
-y^2(x^-2+y^-2)

Answer 5

Now give answer !