Question

Let A = {1 ,2, 3 ,4 ,5 }, B = {4 ,5 ,6, 7 } . Find A- B and B - A​

Answer 1

Explanation:

A-B= {12345}-{4567}

= {123}

B-A={4567}-{12345}

={67}

Answer 2

1. A-B= {12345} - {4567}={123}
2. B-A={4567} - {12345}={67}