Question

if n(a)=5 n(AUB)=9 n(AnB)=2 then find n(B)=?​

Answer 1

Answer:

here is the answer

Step-by-step explanation:

please mark as brainlist

Answer 2

Answer:

Answer is 6

Step-by-step explanation:

n(AuB)=n(a)+n(b)-n(AnB)

9= 5+n(b)-2

9=3+n(b)

9-3= n(b)

6=n(b)