Question 6 If G, H and K are groups, and fo: G→H and f₁: HK are isomorphisms, show that fi fo: GK is an isomorphism.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.5: Isomorphisms
Problem 28E
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Question 6 If G, H and K are groups, and fo: G→H and f₁: HK are isomorphisms, show
that fi fo: GK is an isomorphism.
Transcribed Image Text:Question 6 If G, H and K are groups, and fo: G→H and f₁: HK are isomorphisms, show that fi fo: GK is an isomorphism.
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