https://s0.wp.com/latex.php?latex=%7B%7B8-%2817-%5Csqrt%7B33%7D%29%2F2%7D%5Cover+8%7D+%3D+%7B%5Csqrt%7B33%7D-1+%5Cover+16%7D.&bg=ffffff&fg=222222&s=0