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Popular >

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

Solution

simplify

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

Solution

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

Solution steps

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

Cancel the factorials:

\frac{n !}{( n + m ) !} = \frac{1}{( n + 1 ) \cdot ( n + 2 ) \dots ( n + m )}

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

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

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Frequently Asked Questions (FAQ)

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