Let be a binary operation on Q, defined by a = 3ab 5 is: - Vidyadip

MCQ

Let $\times$ be a binary operation on $Q,$ defined by $\text{a}\times\text{b}=\frac{3\text{ab}}{5}$ is:

A
Commutative.
B
Associative.
✓
Both $(a)$ and $(b).$
D
None of these.

✓

Answer

Correct option: C.

Both $(a)$ and $(b).$

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