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proof-0-1-




Question Number 92000 by student work last updated on 04/May/20
proof 0!!=1
proof0!!=1
Answered by $@ty@m123 last updated on 04/May/20
n!=n.(n−1)!  ⇒(n−1)!=((n!)/n)  Put n=1  ⇒0!=1
n!=n.(n1)!(n1)!=n!nPutn=10!=1

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