Question

let
• U = {1, 2, 3, 4, 5, 6, 7, 8}
• A = {1, 2, 4, 5, 8}
• B = {2, 3, 4, 6}
determine the following.
(A ∪ B) ∩ (A ∪ B)′

Answer 1

fill these in first:
A u B = ???
(A u B)' = ???

Answer 2

A u B = (2,4)
(A u B) = (2,3,4,7)?