Question

Prove that x^-1/x^-1+y^-1+x^-1/x^-1-y^-1=2y^2/y^2-x^2

Answer 1

Answer:

I tried my best sry.

Step-by-step explanation:

Prove that x^-1/x^-1+y^-1+x^-1/x^-1-y^-1=2y^2/y^2-x^2..??