Question

how it is equal to that quston​

Answer 1

(1+a)(1-a)(1+a2)(1+a4)(1+a8)

(1-a2)(1+a2)(1+a4)(1+a8)

(1-a4)(1+a4)(1+a8)

(1-a8)(1+a8)

(1-a16),is the your answer.