proof please 51. Let H and K be subgroups of an abelian group G of orders...

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51. Let H and K be subgroups of an abelian group G of orders n and m respectively. Show that if H K = {e}, then HK = {hkh e H

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Answer 1

Answer #1

solution: Given that H and k are subgremps of an abelian group G. H and are abelian. Now, HK = {hkiheh, kek} B = {kh : KEK, K

Answer 2

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