а) Check whether or not Q(/5)- Q(/7). b) Check whether or not if L/K and K/F are Galois extensions, then L/F is a Galois extension. Give an example, with justification, of a reducible separable polynomial over F25. c) d) Find the splitting field of x° - 4, and its degree, over Q.
а) Check whether or not Q(/5)- Q(/7). b) Check whether or not if L/K and K/F are Galois extensions, then L/F is a Galois extension. Give an example, with justification, of a reducible separable polynomial over F25. c) d) Find the splitting field of x° - 4, and its degree, over Q.
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 6TFE
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