in Q[x], Z/2[x], and Z/7[x].

in Q[x] we think its x(x-1)(x+1)(x^2-x+1)(x^2+x+1)

in Z/2[x] we think its x(x-1)(x+1)

and we have no idea about Z/7[x] we've tried using Little Fermats Theorem.

THANKEEE YOU!!

Printable View

- Jul 24th 2011, 03:53 PMrpietrovIrreducible Polynomials f(x) = x^7 - x
in Q[x], Z/2[x], and Z/7[x].

in Q[x] we think its x(x-1)(x+1)(x^2-x+1)(x^2+x+1)

in Z/2[x] we think its x(x-1)(x+1)

and we have no idea about Z/7[x] we've tried using Little Fermats Theorem.

THANKEEE YOU!! - Jul 24th 2011, 10:22 PMchisigmaRe: Irreducible Polynomials f(x) = x^7 - x
- Jul 24th 2011, 11:47 PMFernandoRevillaRe: Irreducible Polynomials f(x) = x^7 - x