Question

A={3,5,7} C={9,0,3,2} AUB A^B A-B B-a??

Answer 1

AUB={0,2,3,5,7,9}
A^B={3}
A-B={5,7}
B-A={0,2,3}

Answer 2

A={3,5,7}
B={9,0,3,2}
A∪B={0,2,3,5,7,9}
A∩B={3}
A-B={5,7}
B-A={0,2,9}