Question

If A = {1, 3, 5}, B = {2, 3}

(i) A × B 

(ii) B × A

Answer 1

Given, A = {1, 3, 5} and B = {2, 3} 

i. A × B = {1, 3, 5} × {2, 3}

= {(1, 2), (1, 3), (3, 2), (3, 3), (5, 2), (5, 3)}

ii. B × A = {2, 3} × {1, 3, 5} 

= {(2, 1), (2, 3), (2, 5) (3, 1), (3, 3), (3, 5)}