n(A)=24,n(B)=25,dan n(A u B)=49 maka n(A n B) adalah..
Matematika
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Pertanyaan
n(A)=24,n(B)=25,dan n(A u B)=49 maka n(A n B) adalah..
1 Jawaban
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1. Jawaban karinaechilia16
n(A U B) = n(A) + n(B) - n(A iris B)
49 = 24 + 25 - n(A irisB)
49 = 49 - n(A iris B)
n(A iris B) = 49 - 49
n(A iris B) = 0