Let K be a field with char K 2,3 and consider the cubic equation x 3
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Let K be a field with char K ≠ 2,3 and consider the cubic equation x3+a1x2+ a2x+ a3 = 0 (ai ϵ K). Let p =
(with cube roots chosen properly). Then the solutions of the given equation are P + Q - a1/3; wP + w2Q - a1/3; and w2P + wQ - a1/3 where w is a primitive cube root of unity.
Transcribed Image Text:
=a2 - and q 3 2a₁³ a1a2 27 3 + a3.
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The given cubic equation is x3 a1x2 a2x a3 0 where ai K and char K 23 Let p a2 a123 and q 2a1327 a1a...View the full answer
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Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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