Prove that H= { |ne Z} is a subgroup of GL2(R) under multiplication.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.3: Subgroups
Problem 12E: Prove or disprove that H={ hGh1=h } is a subgroup of the group G if G is abelian.
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Prove that H= {
|ne Z} is a subgroup of GL2(R) under multiplication.
Transcribed Image Text:Prove that H= { |ne Z} is a subgroup of GL2(R) under multiplication.
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