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Former-commit-id: bdede6ed1b6f578f2ef046c338caf02d0b29d453 [formerly 7187de361b53e9c8ec121df379b762f2db736ea2] Former-commit-id: 447d58460fbbfd05ffe08428a1288e392637561d
20 lines
470 B
TeX
20 lines
470 B
TeX
The quadratic formula is $$-b \pm \sqrt{b^2 - 4ac} \over 2a$$
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\bye
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\makeatletter
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\newcommand{\be}{%
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\begingroup
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% \setlength{\arraycolsep}{2pt}
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\eqnarray%
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\@ifstar{\nonumber}{}%
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}
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\newcommand{\ee}{\endeqnarray\endgroup}
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\makeatother
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\begin{equation}
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x=\left\{ \begin{array}{cl}
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0 & \textrm{if }A=\ldots\\
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1 & \textrm{if }B=\ldots\\
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x & \textrm{this runs with as much text as you like, but without an raggeright text
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.}\end{array}\right.
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\end{equation} |