Question

If A=1234 and B =12345678 then find AUB AnB A-B and B-A

Answer 1

A = {1, 2, 3, 4}

B = {1, 2, 3, 4, 5, 6, 7, 8}

A∪B = {1, 2, 3, 4, 5, 6, 7, 8}

A∩B = {1, 2, 3, 4}

A - B = {Φ}

B - A = {5, 6, 7, 8}