Binary operation * on R -{-1} defined by...

Binary operation * on R `-{-1}` defined by `a ** b = (a)/(b+1)` is

A

`**` is associative and commutative

B

`**` is associative but not commutative

C

`**` is neither associative nor commutative

D

`**` is commutative but not associative

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The correct Answer is:

B

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