The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d030d685c2973158b90ad35a97a50d5b.gif" -- '\Large \frac{d}{dx} [(x^4-2)(2x+1)] = \frac{d}{dx} (2x^5 +x^4 -4x -2) = 10x^4 +4x^3 -4.'
returned status = 126
Image not found!
Please try the debugging script