Question

n(A)=15,n(AB)=29,n(A interset B )=7, find n(B)​

Answer 1

Answer:

n(B) = 7

Step-by-step explanation:

n(A union B) = n(A) + n(B) -n(A intersection B)

29 = 15 + n(B) -7

29-15+7= n(B)

n(B) = 7