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authorPaul Duncan <pabs@pablotron.org>2022-11-19 17:06:00 -0500
committerPaul Duncan <pabs@pablotron.org>2022-11-19 17:06:00 -0500
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+\begin{array}{|c|c|c|c|}
+\hline
+ \text{Denoted} &
+ \text{Read As} &
+ \text{Formula} &
+ \text{Example} \\
+\hline
+ n! &
+ \text{"N factorial"} &
+ n! = \prod_{i=1}^n{i} &
+ 5! = 1 \cdot 2 \cdot 3 \cdot 4 \cdot 5 = 120 \\
+\hline
+ {n \choose k} &
+ \text{"N choose K"} &
+ {n \choose k} = \frac{n!}{k!(n - k)!} &
+ {5 \choose 3} = \frac{5!}{3!(5 - 3)!} = 10\\
+\hline
+\end{array}