Question

Write the subset relation between the sets. (iii) If n (A) = 25, n (B) = 28, n(A ∪ B ) = 46, then n (A ∩ B) = ? *​

Answer 1

Step-by-step explanation:

n(A ∪ B ) = n(a)+n(b)-n(anb)

46-25-28=-9

=>n(anb)= 9