Question

Ajutati-ma
(a+b) (a-b) (a la puterea a 2 + b la puterea a 2) (a la puterea a 4 + b la puterea a 4)

Answer 1

(a + b)(a - b)(a^2 + b^2)(a^4 + b^4) =

= (a^2 - b^2)(a^2 + b^2)(a^4 + b^4) =

= (a^4 - b^4)(a^4 + b^4) =

= a^8 - b^8