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Let ** be a binary operation on NN, the ...

Let `**` be a binary operation on `NN`, the set of natural numbers defined by `a**b=a^(b)` for all `a,binNN` is `**` associative or commutative on `NN`?

A

not commutative

B

associative

C

commutative

D

not associative

Text Solution

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The correct Answer is:
A,D
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