2 peluang-l-a-s-kaidah-pencacahan-dan-faktorial-hanya-soal
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1 King’s Learning Be Smart Without Limits
LEMBAR AKTIVITAS SISWA PELUANG – KAIDAH PENCACAHAN DAN FAKTORIAL
Latihan Soal
10. 11.
12.
13.
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2 King’s Learning Be Smart Without Limits
PERMUTASI – FAKTORIAL 1. Hitunglah:
a. 7! d. 16!
3!+
12!
4!
b. 20!
18! e.
9!
7! ×
9!
2!
c. 11!
8! 11−8 ! f.
11!
7!+
11!
8! :
12!
8!
2. Sederhanakanlah:
a. 𝑛 !
(𝑛−1)! c.
(𝑛+3)!
(𝑛+1)!
b. (𝑛+1)!
(𝑛−2)! d.
(𝑛+2)!
(𝑛−1)!
3. Tunjukkanlah:
a. 𝑛+2 !
𝑛 ! = n2 + 3n +2
b. 𝑛+1 !
𝑛−1 ! = n2 + n
c. 𝑛−4 !
𝑛−6 ! = n2 – 9n + 20
4. Tentukan nilai n dari:
a. n+1 !
n = 30 c.
n−1 !
n+1 != 90
b. n!
n−2 != 56 d.
n−1 !
n+2 !=
1
210
5. Hitunglah:
a. 9P4 d. 12P8
b. 6P5 e. 31P5
c. 4P4 f. 40P28
6. Tentukan nlai n dari:
a. nP3 = 60 c. 6 x n+1P3 = 7 x 20P3
b. 9P5 = 3 x nP4 d. nP4 = 42 x 9P2
7. Tentukan nilai n darI:
a. nCn-2 = 190 d. nC10 = nC5
b. nC15 = nC11 e. n+4C3 = 35
c. 4 x nP2 = 3 x nC3 f. n+2C3 = 4 x nC2
8.
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