Re: field extension problem

From: "Li Yi" <liyi.cn@xxxxxxxxx>
Date: 10 Jun 2005 04:19:12 -0700

[F(a,b):F] = [F(a,b):F(a)][F(a):F]
But how to prove [F(a,b):F(a)] = n?

Robin Chapman wrote:
> (i) what do you think |F(a,b):F| should be?
>
> (ii) can you prove it?
>
> --
> Robin Chapman, www.maths.ex.ac.uk/~rjc/rjc.html
> "Elegance is an algorithm"
> Iain M. Banks, _The Algebraist_

.

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