You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
470 B
TeX
20 lines
470 B
TeX
The quadratic formula is $$-b \pm \sqrt{b^2 - 4ac} \over 2a$$
|
|
\bye
|
|
|
|
\makeatletter
|
|
\newcommand{\be}{%
|
|
\begingroup
|
|
% \setlength{\arraycolsep}{2pt}
|
|
\eqnarray%
|
|
\@ifstar{\nonumber}{}%
|
|
}
|
|
\newcommand{\ee}{\endeqnarray\endgroup}
|
|
\makeatother
|
|
|
|
\begin{equation}
|
|
x=\left\{ \begin{array}{cl}
|
|
0 & \textrm{if }A=\ldots\\
|
|
1 & \textrm{if }B=\ldots\\
|
|
x & \textrm{this runs with as much text as you like, but without an raggeright text
|
|
.}\end{array}\right.
|
|
\end{equation} |