calculate $\displaystyle gcd(x^3 + 2x^2 + 3x - 1, 2x^2 - x - 1)$ in $\displaystyle F_{5}$

i know how to go about this question, im just a little confused...

does $\displaystyle 6x^2 \equiv 0$, because we are working in $\displaystyle F_{5}$?

Printable View

- Jun 16th 2011, 06:52 PMwik_chick88gcd in F5
calculate $\displaystyle gcd(x^3 + 2x^2 + 3x - 1, 2x^2 - x - 1)$ in $\displaystyle F_{5}$

i know how to go about this question, im just a little confused...

does $\displaystyle 6x^2 \equiv 0$, because we are working in $\displaystyle F_{5}$? - Jun 16th 2011, 07:28 PMTheEmptySetRe: gcd in F5
- Jun 16th 2011, 07:47 PMAlso sprach ZarathustraRe: gcd in F5