The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/a7abff0b3b7ba7dce3ca154e1aa75e15.gif" -- '\Large  \displaystyle C=\frac{z_ce} {4\pi\varepsilon_0 \varepsilon_r }\frac{e^{\kappa 
a}}{1+\kappa a} \Rightarrow \phi(r)=\frac{z_ce} {4\pi\varepsilon_0 
\varepsilon_r }\frac{e^{-\kappa(r-a)}}{1+\kappa a}\frac{1}{r} '<br />returned status = 126<br />
Image not found!<br />Please try the <a href="https://mycourses.aalto.fi/filter/tex/texdebug.php">debugging script</a>