Question

U= {1,2,3... 8,9}, B={2,4,6,8}, C ={3,4,5,6}. Find B\C​

Answer 1

2,3,5,8

Explanation:

B/C . . . thus

(2,4,6,8)/(3,4,5,6)

4 and 6 cancel out

so you are left with (2,3,5,8)