Question

A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except ______.

A. A and B are disjoint.
B. A is equal to B complement.
C. A∪B={}
D. A is not a subset of B.

Answer 1

Answer:The correct answer among the choices provided is the third option. All of the other statements are true except A∪B={}. Both A and B are said to be non-empty. The open and close parentheses is equal to an empty set.

Answer 2

B?................................