Question

(Xsquare+1/square)(xsquare-1/xsquare)

Answer 1

Step-by-step explanation:

(x^2+1/x^2) (x^2-1/x^2)

(x^4+x^2) (x^4-x^2)

x^2(x^2+1) x^2(x^2-1)