Question

Let A = {–1, 2, 3} and B = {1, 3}. Determine A × A

Answer 1

Given that: A = {– 1, 2, 3} and B = {1, 3}

A × A = {– 1, 2, 3} × {–1, 2, 3}

= {(– 1, – 1), (– 1, 2), (– 1, 3), (2, – 1), (2, 2), (2, 3), (3, – 1), (3, 2), (3, 3)}