Question

A and B are sets such that n(U)=800,n(A)=200,n(A intersection B)=100. Find n(A' intersection B') intersection n(A' intersection B')?

Answer 1

n(A)=200,n(B)=700,n(A intersection B)=100 ,n(A' intersection B')=0. :n(A' intersection B') intersection n(A' intersection B')=0