Question

the factorisation of (x^2/y^2 -2+y^2/x^2) X ≠ 0, y ≠ 0 is-
a) (x/y + y/x)^2
b) (x/y - y/x^2
c) (x/y-1)^2
d) (x/y+1)^2

Answer 1

Answer:

b is correct option

Step-by-step explanation:

this question is based on identity of a-b while squre