Math, asked by Danielkp, 1 year ago

Why is 0! is equal to 1 ?


harshrana010200: it's easy

Answers

Answered by Raju2392
0
We know that

n!=n*(n-1)!

Put n=1,

1!= 1*(1–1)!

1=1*(0!)

Therefore,

1=0!

And logically, 0! is nothing but the number of ways one can arrange zero things, or nothing, which is once!
Similar questions