Jika n(A)=12,n(A n B)=5,dan n(A u B)=20,maka n(B)adalah….
Jawaban Terkonfirmasi
N(AUB) = n(A) + n(B) – n(A nB)
20 = 12 + n(B) - 5
20 = 7 + n(B)
n(B) = 13
Jika n(A)=12,n(A n B)=5,dan n(A u B)=20,maka n(B)adalah….
N(AUB) = n(A) + n(B) – n(A nB)
20 = 12 + n(B) - 5
20 = 7 + n(B)
n(B) = 13