Question

evaluate: (x+1/x)(x-1/x)(x^2+1/x^2)(x^4+1/x^4)

Answer 1

Answer:(x^16-1/x^16)

Step-by-step explanation:Use the formula: (a+b)(a-b)= a^2 -b^2.

Start from the left. You'll eventually get the answer.

Answer 2

Please see the attachment