Question

open challenge to all......how u proof 1 factorial is equal to 0..​

Answer 1

|| ✰✰ ANSWER ✰✰ ||

Define

T(n)=(n-1)! as Gamma function

So,

T(n+1)=nT(n) so n! = n.(n-1)!

Substituted n=1

we get 1! = 1.0!

So,

0!=1

✪✪ Hence Proved ✪✪

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