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Prove-that-number-of-commutative-binary-operations-on-a-set-having-n-elements-is-n-n-n-1-2-

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Question Number 15302 by Tinkutara last updated on 10/Jun/17
Prove that number of commutative binary operations on a set having n elements is n^((n(n − 1))/2) .
Provethatnumberofcommutativebinaryoperationsonasethavingnelementsisnn(n−1)2.

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