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--- a/macros/latex/contrib/tkz/tkz-linknodes/examples/latex/quadratic.tex
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-\documentclass[]{article}
-\usepackage[utf8]{inputenc}
-\usepackage[upright]{fourier}
-\usepackage{amsmath,tkz-linknodes}
-
-\thispagestyle{empty}
-\begin{document}
-This example is from MathMode.pdf of Herbert Vo\ss
-
-\begin{NodesList}[margin=1cm]
- \begin{displaymath}\displaywidth=.2\linewidth
- \begin{aligned}
- y &= 2x^2 -3x +5 \AddNode\\
- & \hphantom{= \ 2\left(x^2-\frac{3}{2}\,x\right. }%
- \textcolor{blue}{%
- \overbrace{\hphantom{+\left(\frac{3}{4}\right)^2- %
- \left(\frac{3}{4}\right)^2}}^{=0}} \\
- &= 2\left(\textcolor{red}{%
- \underbrace{%
- x^2-\frac{3}{2}\,x + \left(\frac{3}{4}\right)^2}%
- }%
- \underbrace{%
- - \left(\frac{3}{4}\right)^2 + \frac{5}{2}}%
- \right) \AddNode\\
- &= 2\left(\qquad\textcolor{red}{\left(x-\frac{3}{4}\right)^2}
- \qquad + \ \frac{31}{16}\qquad\right) \AddNode\\
-y
- &= 2\left(x\textcolor{cyan}{-\frac{3}{4}}\right)^2\textcolor{blue}{+\frac{31}{8}}\AddNode
-\end{aligned}
- \end{displaymath}
-{%
-\tikzset{LabelStyle/.append style = {left,text=red}}
- \LinkNodes{%
- \begin{minipage}{5cm}
- $2x^2 -3x$ is the beginning of an algebraic identity %
- (binomial formula)
- \end{minipage}}
- \LinkNodes{$(a-b)^2=a^2-2ab+b^2$}
- \LinkNodes{after simplication, the result is}%
-}
- \end{NodesList}
-
-
-\end{document} \ No newline at end of file