The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d37f685d2ce49f014ec77a2292e7ada3.gif" -- '\Large  \arctan{u} 
	- \displaystyle \frac{1}{2} \ln(u^2 +1)= \ln{x} + C. '<br />returned status = 126<br />
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