Question

A = {1, 2, 3}, B = {2, 3, 4}, C = {4, 5}. Find (A $\cap$ B) $\times$ C.

Answer 1

A $\cap$ B = common elements in set A and set B= {2, 3}

C = {4, 5}

(A $\cap$ B) $\times$ C = {(2, 4), (2, 5), (3, 4), (3, 5)}