Factorial

Pricope Tidor-Vlad
Mesaje: 276
Membru din: Vin Sep 28, 2012 4:04 pm
Localitate: Botosani

Factorial

Mesaj de Pricope Tidor-Vlad »

Aratati ca $\dfrac{n^2 !}{(n!)^n}$ este numar natural.
“Make things as simple as possible, but not simpler.” - Albert Einstein
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Laurențiu Ploscaru
Mesaje: 1237
Membru din: Mie Mai 04, 2011 5:42 pm
Localitate: Călimănești
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Re: Factorial

Mesaj de Laurențiu Ploscaru »

Ăsta este coeficientul multinomial...

http://en.wikipedia.org/wiki/Multinomial_theorem
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