Question

12 If n (U) = 10, n (A) = 3, n (B) = 6 and n (C') = 5, find n (A'), n (B') and n(C').
13. In (U) = 20, n(A) = 12, n (B) = 11 and n (A U B') = 7, find n (
AnB).



solve in copy and then send it to me


please please​

Answer 1

Answer:

n(A') = 7

n(B') = 4

n(C') = 5

n(AnB) = 3