1 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1604408727 2020/11/03 22:05:27 \int \frac{1}{(1+x^2)^2}dx=\frac{1}{2}(\frac{x}{1+x^2}+\arctan x)+C 2 <IMG SRC="../cgi-cache/20201103_220510.gif"> 変換 正常に処理されました 20201103_220510 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Nov 3 22:05:27 2020