Question

If n(A)=35,n(B)=40 and n(AuB)=50, find n(AnB).​

Answer 1

Answer:

n(AnB) =25

Step-by-step explanation:

since

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

50= 35+40-n(AnB)

n(AnB) =75-50

=25