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Mathematics 19 Online
OpenStudy (anonymous):

Choose the expression that is equal to C(17, 6).

OpenStudy (anonymous):

What are answers?

OpenStudy (solomonzelman):

\(\LARGE\color{black}{{\rm \color{green}{n}C\color{darkgoldenrod}{r}}=\frac{\LARGE {\rm \color{green}{n}}! }{\LARGE{\rm (\color{darkgoldenrod}{r}!)\times(\color{green}{n}-\color{darkgoldenrod}{r})}! } }\)

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