Question

Let A = {1, 2, 3, 11, 12, 13, 18, 19, 20} and B{1, 2, 5, 8, 14, 16, 18, 19}Find the following:LIST the elements in the set A UB:AU B = {Enter the elements as a list, separated by commas. If the result is the empty set, enter DNELIST the elements in the set An B:A B = {Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE> Next Question

Answer 1

set A = (1, 2, 3, 11, 12, 13, 18, 19, 20)

set B =( 1, 2, 5, 8, 14, 16, 18,19)

A U B = (1, 2, 3, 5, 8, 11, 12, 13, 14, 16, 18, 19, 20)

A n B = (1, 2, 18, 19)

A B = (3, 11, 12, 13)