Question

Let A = {1, 2, 3, 4} and B = {5, 7, 9}. Determine A × B 

Answer 1

Since A = {1, 2, 3, 4} and B = {5, 7, 9}.

Therefore, A × B = {(1, 5), (1, 7), (1, 9), (2, 5), (2, 7), (2, 9), (3, 5), (3, 7), (3, 9), (4, 5), (4, 7), (4, 9)}