Question

19)
point
If A, B, C are three finite sets such that
n(A) = 7,n(B) = 13 , n(AnB) = 4,
n(CuA) = 5, n(An BnC) = 3 and
n(U) = 50 then n,then n(An B'nC') is
a)3
b) 2
c)1
d)None of these​

Answer 1

Answer:

Step-by-step explanation:

dont know the ans

Answer 2

Answer:

write your question properly and correctly......