If char K 2 and K[x] is a cubic whose discriminant is a square
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If char K ≠ 2 and ∫ ϵ K[x] is a cubic whose discriminant is a square in K, then ∫ is either irreducible or factors completely in K.
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Related Book For
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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