AIR MATH

Math Question

Choose the correct definition of \( \left(\begin{array}{l}n \\ k\end{array}\right) \) from below. A. \( \frac{n !}{k !(n-k) !} \) B. \( \frac{k !}{n !(n-k) !} \) C. \( \frac{n !}{k !(k-n) !} \) D. \( \frac{n !}{(n-k) !} \)

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