Let K be the splitting field of a separable, irreducible polynomial f € F[r], and suppose Gal(K/F) is abelian. Let a e K be a root of f. Show that F(@) = K. %3|
Let K be the splitting field of a separable, irreducible polynomial f € F[r], and suppose Gal(K/F) is abelian. Let a e K be a root of f. Show that F(@) = K. %3|
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.3: Factorization In F [x]
Problem 8E: Let be an irreducible polynomial over a field . Prove that is irreducible over for all nonzero ...
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