Diketahui n(P) =21,n(Q) = 30. Carilah nilai n(P U Q) jika n (P N Q)=10
Matematika
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Pertanyaan
Diketahui n(P) =21,n(Q) = 30. Carilah nilai n(P U Q) jika n (P N Q)=10
1 Jawaban
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1. Jawaban ririnhaa
n( P u Q)
= (n(P) - n (P N Q) ) + n (P N Q) + [n(Q)-n (P N Q) ]
=[21-10] + 10 + [30-10]
=11 + 10 + 20
= 41
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