Question

If U= {1,2,3,4,5,6,7,8,9} and A ={1,2,3,4} and B = { 3,4,5,6,7} Find:
i) A U B ii) (A U B)' iii) A - B iv) B - A v) A' vi) B'

please solve and show the method how to do​

Answer 1

Answer:

I)AUB={1,2,3,4,5,6,7} ii){8,9} iii) A-B={1,2} IV)B-A ={5,6,7} v)A'= {5,6,7,8,9} vi)B'= {1,2,8,9}