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Popular >

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

Solution

simplify

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

Solution

2 n

Solution steps

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

Cancel the factorials:

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

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

= 2 n

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Frequently Asked Questions (FAQ)

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