Question

U={1,2,3,4,5,6,7,8,9,10} A={1,2,3,4,5,6} B={2,4,6,8} C={1,3,5,7} D={4,5,7,8}
1. (A∩D)∪(¬A∪¬B) 2. A/(C/D)

Answer 1

A intersection B=all common elements in set A and B

Answer 2

-A =not A =U-A
that is elements which are not in A but in U.