The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/bec353d57d729888be2c5328944a750b.gif" -- '\Large D\arccos x =  \frac{-1}{\sqrt{1-x^2}},\ -1 < x < 1 \tag{3}'<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>