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  • Kaustubh Katdare
    Kaustubh Katdare

    @thebigk • Aug 25, 2015

    Da VinciWhy is 0! = 1 ?

    Short answer: It's been 'defined' that way to make sense, and fit into general scheme of things.

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  • Anoop Kumar
    Anoop Kumar

    @anoop-kumar-GDGRCn • Aug 26, 2015

    Factorial by definition is how many number of ways you can arrange n, Natural numbers of things.
    2! = {1,2}, {2,1} -> 2
    1! = {1} -> 1
    0! = {} -> 1

    Here is several explanation in this video

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  • Da Vinci
    Da Vinci

    @da-vinci-zMxxLS • Aug 26, 2015

    Thanks for the reply 😀 ...

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