Question

If U={1,2,3,4...........20}, A={1,2,3,4,5} B={3,7,9,11}C={5,7,9,15,18} then find (a) (A-B)1 (b) (A-(BUC)1 )​

Answer 1

Answer:

(a). { 1,2,4,5}

(b). { 0 }