Question

(A U B)'U (A' ∩ B) =

Answer 1

Answer:

Since AUB=A

It indicates B is a empty set or have same elements which set A have  because at union function also the answer is A.

So it it conclude that if set B is null set then  

A∩B=A

and if set B have same element that set A have then

A∩B=A or A∩B=B.