Question

let A={1,2,3} and B={x/x is a prime number less than 10}. fing A×B and B×A​

Answer 1

$\bold \red{answer}$

A = {1, 2, 3}, B = {2, 3, 5, 7}

A x B = {(1, 2), (1, 3), (1, 5), (1, 7), (2, 2), (2, 3), (2, 5), (2, 7), (3, 2), (3, 3), (3, 5), (3, 7)}

B x A = {(2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3), (5, 1), (5, 2), (5, 3), (7, 1), (7, 2) , (7, 3)}