Sederhanakanlah:(1-x)•(1+x)•(1+x²)•… •(1+x^256)•(1+x^512)makasih
(1+x )(1-x) (1 + x²)…… ………..(1+x^256)•(1+x^512)
(1-x²) ( 1+ x²)…
(1- (x²)²)…
Sehingga dapat disimpulkan menjadi :……=(1-x^256)
=(1+x^256)(1-x^256)(1+x^512)
= (1- x^512)(1+x^512)
= 1 – x^512.2
= 1 – x^1024