Question

If n (AUB) = 8, n(A) = 6, n (B) = 4 then n (ANB)​

Answer 1

Answer:

n(A n B) = n(A) + n(B) - n(A U B)

= 6 + 4 - 8

= 2.

Answer 2

Answer:

Given n(A)= 6

n(B)=4

n (AUB) = 8

To Find :-n(AnB) =?

We know that

n(AnB) = n(A) + n(B) -n(AUB)

= 6+4-8

= 10-8

n(AnB) = 2