Wp/iba/Faktorial

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Dalam bidang matematik, faktorial ungkup integer positif n, ti mega ditulis n! nya asil pengelipat semua integer positif ti sama tauka mit agi nilai ari n. Chunto,

5!=5×4×3×2×1=120

0! dikira kes spesial ketegal nilai iya 1.

Definisyen

Definisyen formal faktorial nya,

n!=k=1nk

tauka nitihka definisyen ti ngena rekursi,

n!={1enti n=0,(n1)!×nenti n>0.

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