Question

If U = {1, 2, 3, 4, 5,6,7,8, 9}, 

A = {2, 4, 6, 8} and B = {2, 3, 5, 7}. 

Verify that

Answer 1

U = {1, 2, 3, 4, 5, 6, 7, 8, 9} 

A = {2, 4, 6, 8}, B = {2, 3, 5, 7}