The shell command<br />"/home/hocmai/cgi-bin/mimetex.linux" -e "/home/hocmai/moodledata/filter/tex/80ac867fd50d2bc700accfd8ab3045c6.gif" -- '\Large  \Leftrightarrow \left\{ \begin{array}{l} C_x^y = 10 \\  A_x^y = 20 \\  \end{array} \right. \Leftrightarrow \left\{ \begin{array}{l} \frac{{x!}}{{(x - y)!y!}} = 10 \\  \frac{{x!}}{{(x - y)!}} = 20 \\  \end{array} \right.'<br />returned status = 126<br />
Image not found!<br />Please try the <a href="https://hocmai.vn/filter/tex/texdebug.php">debugging script</a>