The binary operation × defined on N by a × b = a + b + ab for all… - Vidyadip

Question

The binary operation × defined on N by a × b = a + b + ab for all a, b ∈ N is:

Commutative only.
Associative only.
Both commutative and associative.
None of these.

✓

Answer

Both commutative and associative.

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