Question

evaluate using identity= (x^2+1/x^2)(x^2-1/x^2)​

Answer 1

Answer:

x^4-1/x^4...using the formula (a-b)(a+b)=a^2-b^2

Answer 2

Answer:

x^4-1/x^4

Step-by-step explanation:

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

=(x^2+1) (x^2-1) / x^4

= x^4-1 / x^4

Hope it helps.....