Question

Set A= 1, 3, 4, 5, 9, 10, 11

Set B= 2, 4, 6, 7, 11, 12
What is the union of sets A and B?

Answer 1

1 ,2,3,4,5,6,7,9,10,11,12 is the union

Answer 2

A U B = {1,2,3,4,5,6,7,9,10,11,12}

Explanation:

Union of sets is a set containing all elements that are in A or B.

A = {1,3,4,5,9,10,11}

B= {2,4,6,7,11,12}

A U B = {1,2,3,4,5,6,7,9,10,11,12}