Question

let a and b be two sets such that n(A)= 35, n(AUB)=11 and n(AUB)'=17, n(U)= 57, find
(i)n(B)
(ii)n(A-B)
(iii)n(B-A)​

Answer 1

Step-by-step explanation:

once check ur questions

I think there is a mistake n(U)