The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/4fc4fa6c0934b3a80d451bd461ee15fa.gif" -- '\Large 
  	\frac{\partial^2 z}{\partial x\partial y} = \frac{\partial }{\partial x} \frac{\partial z}{\partial y} =f_{yx}(x,y).
  '<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>