7. Show that the splitting field Q(√2, √3) of (X2-2)(X2-3) is a Galois extension of the rational field Q with degree 4 over Q.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.3: The Field Of Quotients Of An Integral Domain
Problem 18E: 18. Let be the smallest subring of the field of rational numbers that contains . Find a...
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7. Show that the splitting field Q(√2, √3) of (X2-2)(X²-3) is a Galois extension
of the rational field Q with degree 4 over Q.
Transcribed Image Text:7. Show that the splitting field Q(√2, √3) of (X2-2)(X²-3) is a Galois extension of the rational field Q with degree 4 over Q.
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