Question

For U={1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20}A={9,10,11,12,13,14},B={11,12,13,14,15},find the following:(a) U-A (b) U-B​

Answer 1

Step-by-step explanation:

U-A={1,2,3,4,5,6,7,8,15,16,17,18,19,20}

U-B={1,2,3,4,5,6,7,8,9,10,16,17,18,19,20}