Permutasi dari kata :- kok- dingin- banget
– kok
K = 2
O = 1
Jumlah huruf = 3
Unsur ganda = 2
3! / 2!
= 3.2.1 / 2.1
= 6 / 2
= 3 Susunan
– dingin
D = 1
I = 2
N = 2
G = 1
Jumlah huruf = 6
Unsur ganda = 2,2
6! / 2! × 2!
= 6.5.4.3.2.1 / 2.1 × 2.1
= 720 / 4
= 180 Susunan
– banget
B = 1
A = 1
N = 1
G = 1
E = 1
T = 1
Jumlah huruf = 6
Unsur ganda = –
6!
= 6.5.4.3.2.1
= 720 Susunan
Penjelasan dengan langkah-langkah:
KOK
= 3! /2!
= 3.2.1 / 2!
= 6 / 2
= 3 SUSUNAN
DINGIN
= 6! / 2!.2!
= 6.5.4.3.2.1 / 2.1.2.1
= 720 / 4
= 180 susunan
BANGET
= 6!
= 6.5.4.3.2.1
= 720 SUSUNAN