Question

If A={2,e,5,7,9,6 } and B={3,a,c,5,6,7}Find, i)A U B ii)A intersection B iii) A-B iv )B - A .

Answer 1

1)AUB={2,3,5,6,7,9,a,c,e}
2)A intersection B={5,6,7}
3)A-B={2,3,9,e}
4)B-A={3,a,c}