Let ‘&’ be a binary operation defined on the set N. Which of the f – McqOptions

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1.	Let ‘&’ be a binary operation defined on the set N. Which of the following definitions is commutative but not associative?
A.	a & b=a-b
B.	a & b=a+b
C.	a & b=ab – 8
D.	a & b=ab
Answer» D.

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