If f = t" – a E F[t] is irreducible, u e K is a root of f, and n/m e Z, show that |F(um): F|| n What is mp(u")? m

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.2: Integral Domains And Fields
Problem 17E: If e is the unity in an integral domain D, prove that (e)a=a for all aD. [Type here][Type here]
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If f = t" –
- a e F[t] is irreducible, u E K is a root of f, and n/m e Z, show that
n
|F(um): F| :
What is mp(um)?
т
Transcribed Image Text:If f = t" – - a e F[t] is irreducible, u E K is a root of f, and n/m e Z, show that n |F(um): F| : What is mp(um)? т
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