Let F be a field of characteristic not equal to 2. Let D1, D₂ € F, neither of which is a square in F. Let K = F = F/VR₁ VD.

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 1TFE: True or False Label each of the following statements as either true or false. For each in a field...
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Let F be a field of characteristic not equal to 2. Let D1, D₂ € F, neither of which is
a square in F. Let K
in F. Let K =
F(√D₁,
F(√D₁,
√D₂).
2
Showthat dimf(K) = 4 iff D₁D₂ is not a square in F (if dimF (K) = 4 then K
is called a biquadratic extension of F.)
Transcribed Image Text:Let F be a field of characteristic not equal to 2. Let D1, D₂ € F, neither of which is a square in F. Let K in F. Let K = F(√D₁, F(√D₁, √D₂). 2 Showthat dimf(K) = 4 iff D₁D₂ is not a square in F (if dimF (K) = 4 then K is called a biquadratic extension of F.)
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