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0! PROOF?

0! PROOF?

Grade:12

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
7 years ago
Hi Student

As you know factorial is only defined for whole numbers.
As we know that,
n! = nx(n-1)x(n-2). . . . . . . . . 3x2x1
= n(n-1)!
Now put the value as 1
1!=1x0!
which means 0!=1
Hence Proved . . .

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