Factorial ' 0 ' की VALUE ' 1 ' क्यों होती है | Abhinav Sir | #factorial #mathsconcept #abhinavsir

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Negative number ka bhi factorial hota hai?

To isi logic se negative ka factorial kyu nhi hota hai?
-1! = 1

But bachpan mein kab pad liya humne, ye 11th mein padhaya jata hai

We can also say n!=n(n-1)!

So 1!=1*(1-1)! 1*0!=1 Means 0!=1

This is a temporary proof for factorial 0
It actually come from gamma function ( ।⁠￣ )

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Samajh aa gaya