Q. (12 – 5)! = . . . .ezz-,-
ꕥ Pendahuluan
Faktorial merupakan perkalian berurutan dan diawali dari angka 1 sampai dengan angka yang di maksud.
》bentuk Umum 《
n! = n × n × n … × n
Contoh:
◾1! = 1
◾2! = 2 × 1
◾3! = 3 × 2 × 1
◾4! = 4 × 3 × 2 × 1
◾5! = 5 × 4 × 3 × 2 × 1
◾6! = 6 × 5 × 4 × 3 × 2 × 1
◾7! = 7 × 6 × 5 × 4 × 3 × 2 × 1
◾8! = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
◾9! = 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
◾10! = 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
Dan seterusnya…..
Jawaban:
◾1! = 1
◾2! = 2
◾3! = 6
◾4! = 24
◾5! = 120
◾6! = 720
◾7! = 5.040
◾8! = 40.320
◾9! = 362.880
◾10! = 3.628.800
Dan seterusnya…..
ꕥ Pembahasan
= (12-5)!
= 7!
= (7×6×5×4×3×2×1)
= (42×5×4×3×2×1)
= (210×4×3×2×1)
= (840×3×2×1)
= (2.520×2×1)
= (5.040×1)
=
ꕥ Pelajari lebih lanjut
➠ Pengertian Faktorial
➠ Contoh Soal Faktorial
ꕥ Detail Jawaban
Kelas : 12
mapel : matematika
materi : bab-7 kaidah pencacahan dan Faktorial
kode soal : 2
kode kategorisasi : 12.2.7
Jawaban:
(12 – 5)!
= 7!
= 7 × 6 × 5 × 4 × 3 × 2 × 1
= 46 × 5 × 4 × 3 × 2 × 1
= 210 × 4 × 3 × 2 × 1
= 840 × 3 × 2 × 1
= 2.520 × 2 × 1
= 5.040 × 1
= 5.040