Let * be a binary operation on Q, defined by a * b = \(\frac{3 a b}{5}\) is
A. Commutative
B. Associative
C. Both (a) and (b)
D. None of these
Answer:C
Let * be a binary operation on Q, defined by a * b = \(\frac{3 a b}{5}\) is
A. Commutative B. Associative C. Both (a) and (b) D. None of these