The shell command<br />"/home/hocmai/cgi-bin/mimetex.linux" -e "/home/hocmai/moodledata/filter/tex/723998ab98c9bd9b2a70085552d8282b.gif" -- '\Large u_n = 2^{n + 1} - 3'<br />returned status = 126<br />
Image not found!<br />Please try the <a href="https://hocmai.vn/filter/tex/texdebug.php">debugging script</a>