The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/25051483da0f82a32e113a1ddc888515.gif" -- '\Large \lim_{x\to 0-} \mathrm{sgn}(x)= -1,\qquad
	\lim_{x\to 0+} \mathrm{sgn}(x)= 1.'<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>