jika diketahui n(A) =10,n(A n B)=4,dan n(A u B)=12,maka n(B) adalah...
Matematika
vina742
Pertanyaan
jika diketahui n(A) =10,n(A n B)=4,dan n(A u B)=12,maka n(B) adalah...
1 Jawaban
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1. Jawaban dewa251202
Bab Himpunan
n(A U B) = n(A) + n(B) - n(A ∩ B)
12 = 10 + n(B) - 4
n(B) = 12 - 6
n(B) = 6