Question

given n(p(A))=512 n(p(r)) = 64 and n(A intersection B)=5 find n(A union B)​

Answer 1

Step-by-step explanation:

n(P(A)) = 512 = 2⁹

n(A) = 9

and

n(P(B)) = 64 = 2⁶

n(B) = 6

Given = n(A∩B) = 5

By formula

n(A)+n(B)-n(A∩B) = n(AUB)

n(AUB) = 9+6-5 = 10

Hope it helped!