Question

Given S = {1,2,3,4,5,6,7,8,9} A = {2,3,4,5} B = {1,4,5,6} C = {6,7,8,9}.Find (a) AnB (b) C^1 (c) BuA (d) B/C

Answer 1

Answer:

(a) AnB={4,5}

(c) BuA={1,2,3,4,5,6}