Question

if n(a)=20 n(b)=44 n(a∩b)=13 then find: n( only b)​

Answer 1

Answer:

31

Step-by-step explanation:

n(only B) = n(B-A)

= n(B) - n(A∩B)

= 44 - 13

= 31

Answer 2

so the answer for your question is 31