2. Show that the group GL(2,R) is non-Abelian, by exhibiting a pair of matrices A and B in GL(2, R) such that AB 1 BA.
2. Show that the group GL(2,R) is non-Abelian, by exhibiting a pair of matrices A and B in GL(2, R) such that AB 1 BA.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.4: Cosets Of A Subgroup
Problem 17E: Show that a group of order 4 either is cyclic or is isomorphic to the Klein four group e,a,b,ab=ba.
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