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Popular >

simplify ((n-1)!)/((n-2)!)

Solution

simplify

\frac{( n - 1 ) !}{( n - 2 ) !}

Solution

n - 1

Solution steps

\frac{( n - 1 ) !}{( n - 2 ) !}

Cancel the factorials:

\frac{n !}{( n - m ) !} = n \cdot (n - 1) \dots (n - m + 1), n > m

\frac{( n - 1 ) !}{( n - 2 ) !} = (n - 1)

= n - 1

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Frequently Asked Questions (FAQ)

What is ((n-1)!)/((n-2)!) ?
The solution to ((n-1)!)/((n-2)!) is n-1