Diketahui n(P) = 35, n (P Π Q = 25 dan n (p u Q) = 50. tentukan n (Q)
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N (P ∪ Q) = n (P) + n(Q) – n (P ∩ Q)
50 = 35 + n(Q) – 25
50 = n(Q) + 10
n (Q) = 50 – 10
n (Q) = 40
Diketahui n(P) = 35, n (P Π Q = 25 dan n (p u Q) = 50. tentukan n (Q)
N (P ∪ Q) = n (P) + n(Q) – n (P ∩ Q)
50 = 35 + n(Q) – 25
50 = n(Q) + 10
n (Q) = 50 – 10
n (Q) = 40