[texhax] Please help with a Mathematical Symbol
Robert Sherry
rsherry8 at comcast.net
Wed Sep 10 20:08:26 CEST 2003
I would like to write n choose 2 using the standard mathematical symbol
of parenthesis and n written above 2 with nothing between them. From reading
the documentation, I thought the following would do it:
\begin{displaymath}
\binom{r}{2}
\end{displaymath}
However, LaTeX says that \binom is an undefined control sequence. I am using
the MikTex version of LaTeX. Could somebody please help?
Robert Sherry
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