Let * be a binary operation on set Q – {1} defind by a * b = a + b – ab : a, b ∈ Q – {1}. Then * is

Let * be a binary operation on set Q – {1} defind by a * b = a + b – ab : a, b ∈ Q – {1}. Then * is

A

Commutative

B

Associative

C

Both (a) and (b)

D

None of these

Answer:

The correct option is C. Both (a) and (b)

Note