The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/e23070b286f3ad3405e7127c30d7b676.gif" -- '\Large 
  f_{xx}(x,y)=\frac{y^3}{(x^2+y^3)^{3/2}} \quad\Rightarrow\quad f_{xx}(1,2)= \frac{8}{27},
  '<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>