The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/a040228ef38f6a7424fdf4201601c1b4.gif" -- '\Large 
	\sum_{k=1}^{\infty}kx^{k} = x+2x^2+3x^3+4x^4+\dots = \frac{x}{(1-x)^2},
	'<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>