Question

verify through venn diagram (A-B)'nB=B​

Answer 1

Answer:

In the adjoining figure the shaded part represents B – A. In particular, A – B = ∅ if A ⊂ B and A – B = A if A ∩ B = ∅. The subset of A – B is also called the complement of B relative to A. The difference A – B can be expressed in terms of the complement as A – b = A ∩ B'