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:C
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