Question

If xy=yx , then solve (x/y)x/y

Answer 1

x*1/y=1/y*x......................
that should make it clear

Answer 2

xy=yx ⇒x=x
Therefore , the equation stands true for every single integral value of x and y, there is no specific value of the two.
Therefore, (x/y)x/y=x²/y².