Question

A={1,2,5,7,9}, Q={2,3,5,9,11}, R={3, 4,5,7,9} and S={2,3,4,5,8}, then find (Q intersection S) intersection R​

Answer 1

Step-by-step explanation:

A∪B

=(1,2,3,4,5...17,18)

B′=(1,3,5,7,9...17,19,20,21...)

(A∪B)∩B′=(1,3,5,7,9..17)=A

A′∪A

=UniversalSet

=N

Answer 2

Answer:

(Q intersection S) intersection R = {3,5}