The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/46abe67adadaaf862ea2a785dd29ea1d.gif" -- '\Large f'\''(x) = \frac{4x \cdot x-(2x^2+18) \cdot 1}{x^2} = \frac{2x^2-18}{x^2}.'
returned status = 126
Image not found!
Please try the debugging script