The binary operation * defind on set R, given by a * b = \(\frac{a+b}{2}\) for all a,b ∈ R is
A. commutative
B. associative
C. Both (a) and (b)
D. None of these
Answer:A
The binary operation * defind on set R, given by a * b = \(\frac{a+b}{2}\) for all a,b ∈ R is
A. commutative B. associative C. Both (a) and (b) D. None of these