Why do we consider 0! to be 1? While we also consider 1! to be 1. Can you explain.

Asked by arkabanerjee | 9th Oct, 2010, 12:00: AM

Expert Answer:

dear student,
n!=n(n-1)!
put n=1
1!=1(0!)
1=1(0!)
so
0!=1
hope thi clarifies with your query
regards
team topperlearning

Answered by  | 10th Oct, 2010, 02:01: PM

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