can u plz explain how 0!=1 and not 0??

Asked by  | 1st Dec, 2012, 05:42: PM

Expert Answer:

n! denotes the numberof ways n objects can be arranged in row.
therfor 0! means number of ways of arranging 0 object that is oone way ?.
therfor 0!=1
putting n=1 in this
therfor 0!=1

Answered by  | 1st Dec, 2012, 10:52: PM

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