Question

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

Options

• Commutative

• Associative

• Both Commutative & Associative

• None of these

Answer 1

Let A = N x N and * be the binary operation on A defined by (a, b) * (c, d) = (a + c, b + d). Then * is Both Commutative & Associative.