Question

if n(A)=17, n(B)=13 and n(C)=12 and B is subset of A, then value of n(CX(B intersection A)) is

Answer 1

Answer:

We know,

n(A∩B)=n(A)+n(B)−n(A∪B)

n(A∩B)=17+23−38=2

Answer 2

Answer:

156

Step-by-step explanation:

B subset A then B intersection A= B

C×B=12 × 13 = 156