Let A = N × N and × be the binary operation on A defined by (a, b… - Vidyadip

Question

Let A = N × N and × be the binary operation on A defined by (a, b) × (c, d) = (a + c, b + d). Then × is:

Commutative.
Associative.
Both (a) and (b).
None of these.l

✓

Answer

Both (a) and (b).

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