The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/309f4e1e029124e64de9df4d3e130177.gif" -- '\Large \displaystyle \frac{\Delta\overline{i}(s)}{F\Gamma_{\text{max}}\Delta\overline{\eta}(s)}=\frac{(b_1+b_2)k_1k_2}{k_1+k_2}-(k_1-k_2)\frac{\Delta\overline{\varphi}(s)}{\Delta\overline{\eta}(s)} '
returned status = 126
Image not found!
Please try the debugging script