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Popular >

simplify (20!)/(2!18!)

Solution

simplify

\frac{20 !}{2 ! 18 !}

Solution

190

Solution steps

\frac{20 !}{2 ! \cdot 18 !}

Cancel the factorials:

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

\frac{20 !}{18 !} = 20 \cdot 19

= \frac{20 \cdot 19}{2 !}

\frac{20 \cdot 19}{2 !} = 190

= 190

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Frequently Asked Questions (FAQ)

What is (20!)/(2!18!) ?
The solution to (20!)/(2!18!) is 190