Let H be a subgroup of a group G. For a, b G, let a ~
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Let H be a subgroup of a group G. For a, b ∈ G, let a ~ b if and only if ab-1 ∈ H. Show that ~ is an equivalence relation on G.
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Reflexive Let a G Then aa 1 e and e H since H is a sub...View the full answer
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