Question

Let U = {1,2,3,4,5,6,7,8,9,10).

Let A = {1,3,4,7,10).
Let B = (2,5,7,8,10).
Let C = 2,3,7)
Determine A-B.​

Answer 1

A-B

remove those number which is in a and b common and write remaing number of A

that is (1,3,4)