<1: Let G be a group and let A and B be subgroups of G. Let x, y e G. We define the relation x~y by the following definition: 4. x~y iff y = axb for some a e A, be B Prove that this relation is an equivalence relation on G.

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<1:
Let G be a group and let A and B be subgroups of G. Let x, y e G.
We define the relation x~y by the following definition:
4.
x~y iff y = axb for some a e A, be B
Prove that this relation is an equivalence relation on G.
Transcribed Image Text:<1: Let G be a group and let A and B be subgroups of G. Let x, y e G. We define the relation x~y by the following definition: 4. x~y iff y = axb for some a e A, be B Prove that this relation is an equivalence relation on G.
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