Question

Use identity for xsqare+1*xsqare-1
Solve

Answer 1

Step-by-step explanation:

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

=(x^2 + 1) {(x+1) (x-1)} (using (a+b)(a-b) = a^2 - b^2)

(Here we use (1)^2 since it will also give 1)

Therefore, the answer will be (x^2 + 1) (x+1) (x-1)...

HOPE IT HELPS...