(a) Check whether or not x³ + 2x + 1 e F;[x] is a primitive polynomial. (b) Let F, L, K be fields such that K/F is Galois and F CL C K. Then prove or disprove that : (i) L/F is Galois.
(a) Check whether or not x³ + 2x + 1 e F;[x] is a primitive polynomial. (b) Let F, L, K be fields such that K/F is Galois and F CL C K. Then prove or disprove that : (i) L/F is Galois.
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 20E: Prove Theorem If and are relatively prime polynomials over the field and if in , then in .
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