Question

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

पर्याय

• Commutative

• Associative

• Both Commutative & Associative

•  None of these

Answer 1

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