The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/b52caa04483c3ac17862eec66357e82d.gif" -- '\Large 
\Delta f = f(\mathbf{r} +\Delta \mathbf{r})- f(\mathbf{r}) = \nabla f (\mathbf{r})\cdot  \Delta \mathbf{r}
+ \|\Delta \mathbf{r}\| \varepsilon (\mathbf{r}, \Delta \mathbf{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>