The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/82ee518db62e2f621a3a664551988e0c.gif" -- '\Large = \frac{1}{n^2}\sum_{k=1}^{n}k = \frac{1}{n^2}\frac{n(n+1)}{2} = \frac{n+1}{2n}\to 
	\frac{1}{2},'<br />returned status = 126<br />
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