If f (x) is a cubic irreducible polynomial over Z3, prove that either xor 2x is a generator for the cyclic group (Z3[x]/<f (x)>)*.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.4: Cyclic Groups
Problem 34E
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If f (x) is a cubic irreducible polynomial over Z3, prove that either x
or 2x is a generator for the cyclic group (Z3[x]/<f (x)>)*.

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