The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d1a68f097fa5ac672543633152c56525.gif" -- '\Large 
	\left| \frac{a_{k+1}}{a_k} \right| = 
	\left| \frac{(k+1)x^{k+1}/2^{k+1}}{kx^k/2^k} \right|
	= \frac{k+1}{2k}|x| \to \frac{|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>