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What is \[ \frac{n!}{1!(n-1)!} \]where $n$ is a positive integer?
What is $6!$?
What is $5!$?
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Lesson Specific Problems
What is \[ \frac{n!}{1!(n-1)!} \]where $n$ is a positive integer?
What is $6!$?
What is $5!$?
