Question

Using suitable identity simplify (x/y-y/x)²

Answer 1

Answer:

x²/y²+y²/x²-2

Step-by-step explanation:

(x/y-y/x)²=(x/y)²+(y/x)²-(2*x/y*y/x)

=x²/y²+y²/x²-2

plz mark me as the brainliest