the value of 0!

why the value of 0! is 1 ???

Note by Tootie Frootie
3 years, 1 month ago

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As n! Can also be expressed as n×(n-1)! So if we take 1!=1 (1-1)! it simplifies to 1!=1×0! Therefore1=0! there are more ways to prove that as well...

Rohit Udaiwal - 3 years, 1 month ago

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Yeah it kind of goes along with the pattern of factorials, so it's nice to have it defined as 1. I think they mentioned that in this vid too: https://www.youtube.com/watch?v=Mfk_L4Nx2ZI

Sudeshna Pontula - 3 years, 1 month ago

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thank you for giving me the link :D

Tootie Frootie - 3 years, 1 month ago

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@Tootie Frootie No problem :). Have you seen this channel before? I don't know what they talk about half of the time :P, but its got some pretty neat stuff.

Sudeshna Pontula - 3 years, 1 month ago

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@Sudeshna Pontula well , i was not aware of this channel before. wish i had known it. .... yup it is :D ;)

Tootie Frootie - 3 years, 1 month ago

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explained well,...

Tootie Frootie - 3 years, 1 month ago

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Hint - Use nCr formulae

Vaibhav Prasad - 3 years, 1 month ago

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