Guys Help! thx!

Show that the polynomial f(x)=2x+1 has a multiplicative inverse in Z_4 [x].

- Mar 29th 2012, 04:02 AMfourthShow that the polynomial f(x)=2x+1 has a multiplicative inverse in Z_4 [x].
Guys Help! thx!

Show that the polynomial f(x)=2x+1 has a multiplicative inverse in Z_4 [x]. - Mar 29th 2012, 05:08 AMSylvia104Re: Show that the polynomial f(x)=2x+1 has a multiplicative inverse in Z_4 [x]
in So is its own inverse in