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Math Forum » Discussions » Math Topics » alt.math.undergrad.independent

Topic: factorials
Replies: 13   Last Post: Jan 30, 2011 7:57 PM

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Stan Brown

Posts: 1,313
Registered: 12/6/04
Re: factorials
Posted: Jan 29, 2011 7:42 AM
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On Fri, 28 Jan 2011 13:06:17 -0500, Bill Cunningham wrote:
>
> I am a little stumped at what this page says. Here's the website.
>
> http://www.rapidtables.com/math/algebra/Factorial.htm
>
> In the formula n!=5*(5-1)!=5*24=120
>
> Where is the 24 coming from?

(5-1)! = 24.

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Stan Brown, Oak Road Systems, Tompkins County, New York, USA
http://OakRoadSystems.com
Shikata ga nai...

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