Question

N(a) =20 n (b) =28 n (aub) =36 find n(a∩b) use it venn diagram

Answer 1

Answer:

n(AnB)=12

Step-by-step explanation:

we know,

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

36=20+28-n(AnB)

n(AnB)=48-36

=12

.