Question

Q. If n(A-B)' =23 n(B-A)=12,n(A n B)=8 and n(U) = 28 , find :
(i) n(A u B)
(ii) n(A u B)'​

Answer 1

Answer:

n(A u B)

Step-by-step explanation:

n(A u B)n(A u B)n(A u B)n(A u B)n(A u B)n(A u B)n(A u B)