Jika n(A) = 85, n(B) = 72, dan n(A irisan B) = 56, maka n(A gabungan B) = .... A. 215 B. 157 C. 141 D. 101
Matematika
zzhhaaa
Pertanyaan
Jika n(A) = 85, n(B) = 72, dan n(A irisan B) = 56, maka n(A gabungan B) = .... A. 215 B. 157 C. 141 D. 101
1 Jawaban
-
1. Jawaban MuhammmadRizky
n(A U B) = n(A) + n(B) - n(A ∩ B)
= 85 + 72 - 56
= 101
Semoga Membantu!!!