Question

prove that 0!=1 accurately​

Answer 1

Answer:

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

hence it is proved

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Step-by-step explanation:

npr= n!/(n-r)!

let r=n

= n!/(n-n)!

= n!/0!

we know= npr is equal to n!

n! = n!/0!

0! = 1. hence proved