The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/d3c6bb2142284726ab8a5ea807bd5d0e.gif" -- '\Large \begin{aligned}(b_n)_n &= (a_2-a_1, a_3-a_2, a_4-a_3,\ldots) \\
		&= (2,3,4,5,6,7,8,9,\ldots)\end{aligned}'<br />returned status = 126<br />
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