Question

find the countined product of the following (2x-1) (2x+1) (4x^2 +1) (16x^4 +1)​

Answer 1

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

(4x^2_1)(4x^+1)=16x^4-1

(16x^4-1)(16x^4+1)=256x^8-1 (ans)

Use: (a+b)(a-b)=a^2-b^2