viewimage.php?no=24b0d769e1d32ca73cee82fa11d028317b450a23a99188d24b1fca77b400b577aeb3fc5e835f2fe0d748dc223003f5b6d83edce887fc4142ab3c961e8bd867a02fff993a4d6332b9ffb3f6302c8128070c9bef7a65de3ecda331880a688ab457

첫번째밑줄은 R(phi(t))여야하는데 오타인것같고

두번째밑줄이 왜되는지 전혀 모르겠어요..