permutasi kata
" hallo "
" Apa kabar "
note: jangan asal pake cara.
[ QUIZ ]
H = 1
a = 1
l = 2
o = 1
Total huruf = 5
Unsur ganda = l = 2
P = 5! / 2!
P = 5 × 4 × 3 × 2 × 1 / 2 × 1
P = 5 × 4 × 3
P = 60 kata ✔️
______________________
A = 4
p = 1
k = 1
b = 1
r = 1
Total huruf = 8
Unsur ganda = A = 4
P = 8! / 4!
P = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 / 4 × 3 × 2 × 1
P = 8 × 7 × 6 × 5
P = 1.680 kata ✔️
Jawab:
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