Question

If A={1,2,3,4} nd B={3,4,5,6,7}find
a.A-B
b. B-A
c.A intesects B​

Answer 1

A - B is { 1,2}

B - A is {5,6,7}

A intersection B is {3,4}

Answer 2

Answer:

A - B is (1,2)

B - A is (5,6,7)

A intersection B is (3,4)