Let F be a eld of characteristic p > 0. Let a EF be such that ais not a pth power of any element of F. Show that xP-a is irreducible over F.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.4: Zeros Of A Polynomial
Problem 33E: Let where is a field and let . Prove that if is irreducible over , then is irreducible over .
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Let F be a eld of characteristic p > 0. Let a EF be such that ais not a pth power of any element
of F. Show that xP-a is irreducible over F.
Transcribed Image Text:Let F be a eld of characteristic p > 0. Let a EF be such that ais not a pth power of any element of F. Show that xP-a is irreducible over F.
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