Question

If U = {1, 2, 3, 4, 5, 6, 7, 8, 9}
A = {2, 4, 6, 8} B = {3, 4, 5, 6} find (A - B)'​

Answer 1

Answer:

a-b is {2,8}

therefore the answer will be 1,3,4,5,6,7,9

Answer 2

(a-b) =2,8

Because if we - it we get this answer