+8 What is the answer for Let U={ 1, 2, 3, 4,5,6, 7, 8,9}, A ={1,3,5,6,8} and B={2,4,5,6,8,9}, thank you!
+36915 Do not know what you are looking for here....
U is not the intersection of A and B
U is not the union of A and B ( U has a '7' in it, but neither A or B do)
