How do you find the zero factorial?
Finding the zero factorial:
Mathematically,0!=1.
As per the definition of factorial: n!=n(n-1)(n-2)(n-3)….3.2.1
or x!=x(x-1)!
or (x–1)!=x!/x
For 0!
Put x=1
(1–1)!=1!/10!=1!=1
Hence, the value of zero factorial is 1
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