Answer:
see explanation
Explanation:
A ∩ B denotes the intersection of the 2 sets A and B and is the set of elements which are members of A and also members of B.
This new set is written A ∩ B ( A intersection B ), for example
If A = { p, q, r, s } and B = { r, s, t }, then
A ∩ B = { r, s }