Why is 0! = 1 ?
Why is 0! = 1 ?
Replies
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Kaustubh Katdare
Short answer: It's been 'defined' that way to make sense, and fit into general scheme of things.Da VinciWhy is 0! = 1 ? -
Anoop KumarFactorial 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 VinciThanks for the reply 😀 ...
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