cancel
I want to use \cancel command in TeXnicCenter but it is giving error while using that..
Basically I want to show cancellation of 2 with 2, using \frac.
Like:
\frac{2}{2} but I want to show it like: \(\frac{\cancel{2}}{\cancel{2}}\).
And I am unable to do it, can anybody please tell me how to do it..
The color of the line used by cancel can be changed with
\renewcommand\CancelColor{<color command>}
You could include this in a new cancel-command where an optional argument defines the color.
\documentclass{article}
\usepackage{cancel}
\usepackage{xcolor}
\newcommand\Ccancel[2][black]{\renewcommand\CancelColor{\color{#1}}\cancel{#2}}
\begin{document}
\[
\Ccancel{x+1} \qquad \Ccancel[blue]{x-1}
\]
\end{document}
On page 1 of the documentation for cancelto we read
\documentclass{article}
\usepackage[makeroom]{cancel}
\begin{document}
$\Gamma_{yy}^x =
\frac{1}{2}g^{xa}[- g_{yy,a} + \cancelto{0}{g_{xy,a}} + \cancelto{0}{g_{yx,a}}]$
\end{document}
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