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How 0! is equal to 1 ?
Its actually a special statement.THere isnt any proof for it. :)
It is a statment,,,,,,there are so many proofs are there,,,,
It is our assumptions only.
your are right but I want solution for it . for example 1) 0+1=1 (by adding)
2)0x0=0 (by multiplaying)
3) 0! = 1 ( How ? )
I WANT THE PROOFS PLEAS SEND ME .
0! can be found using definition of nC0 which means choosing zero things out of n things which can be done by only 1 method (by not choosing any that is common sense) now nC0 = 1
this means n!/(n-0)!x0! =1
n!/n!x0! = 1
1/0! = 1
Hence 0! = 1
n!=n(n-1)!
put n=1
1=1.0!
0!=1
please like the answer as its the only possible explanation i could get. :-)
In The Formula of nCr = n!/r!×(n-r)! when r=0; then it becomes 0!= n!/0!×n! = n!/n! = 1. Hence, Proved.
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