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Algebra

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21 Feb 2010 10:06:13 IST

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0! = 1 why give mathematical proof pls

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0! = 1 why give mathematical proof pls

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Bipin Dubey

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Joined: 23 Jan 2007

Posts: 7942

21 Feb 2010 10:27:11 IST

Like 2 people liked this

x! = x (x-1)!

Put x=1

1! = 1 (0!)

0! = 1

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