Question

draw a Venn diagram of (B-A)'​

Answer 1

Hope it will help you

Answer 2

Answer:

he union of A and B is the set of all those elements which belong either to A or to B or both A and B. ... Now we will use the notation A U B (which is read as 'A union B') to denote the union of set A and set B. Thus, A U B = {x : x ∈ A or x ∈ B