Q.6!3!+5!=nt : Minggu nolep
Detail Jawaban ✍
Mapel : Matematika
Kelas : XII (SMA)
Kode Soal : 2
Kode Kategorisasi : 12.2.7
Materi : Bab 7 Kaidah Pencacahan
Kata Kunci : Faktorial
▶️Pendahuluan :
Faktorial merupakan perkalian bilangan bulat positif yang berkonotasi dengan menggunakan tanda (n!).
✏️Contoh Faktorial :
- 1! = 1 × 1 = 1
- 2! = 2 × 1 = 2
- 3! = 3 × 2 × 1 = 6
- 4! = 4 × 3 × 2 × 1 = 24
- 5! = 5 × 4 × 3 × 2 × 1 = 120
▶️Pembahasan :
⌚6! = 120
=> 6 × 5 × 4 × 3 × 2 × 1
=> 30 × 4 × 3 × 2 × 1
=> 120 × 3 × 2 × 1
=> 360 × 2 × 1
=>720 × 1
=> 720 ✔️
⌚3! + 5! = 126
=> (3 × 2 × 1) + (5 × 4 × 3 × 2 × 1)
=> (6 × 1) + (20 × 3 × 2 × 1)
=> 6 + (20 × 3 × 2 × 1)
=> 6 + 60 × 2 × 1
=> 6 + (120 × 1)
=> 6 + 120
=> 126 ✔️
#Belajar bersama Brainly
Soal:
6!
3!+5!=
Jawab:
6! = 1 x 2 x 3 x 4 x 5 x 6 = 720
3! + 5! =
3! = 1 x 2 x 3 = 6
5! = 1 x 2 x 3 x 4 x 5 = 120
6 + 120 = 126