The binary operation * defind on set R, given by a * b = a+b/2 for all a,b ∈ R is

The binary operation * defind on set R, given by a * b = a+b/2 for all a,b ∈ R is

A

commutative

B

associative

C

Both (a) and (b)

D

None of these

Answer:

The correct option is A. commutative

Note