(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Why is the equality below true?

[tex]\Gamma(n) = (n-1)![/tex]

Where [tex]\Gamma(n) = \int^{\infty}_{0} x^{n-1} e^{-x}dx[/tex]

2. Relevant equations

3. The attempt at a solution

I've read the article on wikipedia but I cannot understand it. Is there any special properties in calculus that I must know in order to comprehend this?

Thank you

M

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# Homework Help: Why is the gamma function equal to (n-1)! ?

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