Let G be a group and suppose that (ab)2 = a²b² for all a and b in G. Prove that G is an abelian group. Dind 11 +he Hge +h thet 7 Lけ

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Ity and U
33. Let G be a group and suppose that (ab)² = a²b² for all a and b in G. Prove that G is
an abelian group.
34
Find all the suborouns of Za x Z, Use this information to show that Z, x Z, is not the
Transcribed Image Text:Ity and U 33. Let G be a group and suppose that (ab)² = a²b² for all a and b in G. Prove that G is an abelian group. 34 Find all the suborouns of Za x Z, Use this information to show that Z, x Z, is not the
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