1.

Why is 0!=1 and not zero or infinity​

Answer»

\huge \purple {Answer}

We KNOW that X!= x(x-1)!

(x-1)! = \frac {x!}{x}

LET x= 1

(1-1)! = \frac {1!}{1}

We know that 1!=1

Therefore, 0! = 1

\boxed {Hence, Proved}


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