Show that is a subfield of R by using the ideas of this section, rather than by
Question:
Show that
is a subfield of R by using the ideas of this section, rather than by a formal verification of the field axioms.
Transcribed Image Text:
{a + b(2) + c(√2)² a, b, c = Q}
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We know that x 3 2 is irreducible in Qx by the Eisenstein condition with p 2 Therefore 3 2 is algebr...View the full answer
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