Question

if A=(1,2,3,4) and B=(3,4,5,6,7) FIND (1) AUB (2)ANB (3)A-B (4 ) B-A​

Answer 1

Answer:

A={1,2,3,4} B={3,4,5,6,7}

(1)A U B={1,2,3,4,5,6,7}

(2)A n B={3,4}

(3)A-B={1,2}

(4)B-A={5,6,7}