Question

n (A) = 20
(B) = 30 N(AUB) - ? N(ANB) = 5
n

Answer 1

question is we have to find (AUB)?

Step-by-step explanation:

n(A) +n(B) -n(Anb) =n(AUB)

20+30-5 =n(AUB)

45 =n(AUB)