how to know whether a polynomial is galois over another poly

by algekkk
Tags: galois, poly, polynomial
algekkk is offline
Oct27-10, 10:44 AM
P: 6
I have some examples and not sure how to show the relation:
determine which of the following is a galois extention:1. Q[sprt(5)] over Q. 2: Q[2^01/4] over Q[sprt(2)]
thank you.
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