n chooses k n on top k below in brackets what that means like 75 on top 3 below in brackets
Follow Math Help Forum on Facebook and Google+
Originally Posted by math321 n chooses k n on top k below in brackets what that means like 75 on top 3 below in brackets Surely it is defined in your textbook or class notes! Out of interest, where have you met this notation ....?
$\displaystyle \binom{n}{k}=\frac{n!}{(n-k)!k!}$ $\displaystyle \binom{75}{3}=\frac{75!}{(72)!3!}$
Originally Posted by math321 n chooses k n on top k below in brackets what that means like 75 on top 3 below in brackets Do you mean this $\displaystyle \left\{ {\begin{array}{*{20}c} n \\ k \\ \end{array} } \right\}$ and not $\displaystyle \binom{n}{k}~?$
View Tag Cloud