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Let ** be a binary defined on R by a**b=...

Let `**` be a binary defined on R by `a**b=(a+b)/(4)AAa,binR` then the operation `**` is

A

a.Commutative and Associative

B

b.Commutative but not Associative

C

c.Associative but not commutative

D

d.Neither Associative nor Commutative

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The correct Answer is:
B
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