CBSE Class 9 Answered
can u plz explain how 0!=1 and not 0??
Asked by | 01 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
or,
n!=n(n-1)!
putting n=1 in this
1!=1*(0!)
therfor 0!=1
Answered by | 01 Dec, 2012, 10:52: PM
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