Mathematica での定積分の評価に時間がかかる件

https://mathematica.stackexchange.com/questions/18327/definite-integral-takes-a-very-long-time

https://blog.wolfram.com/2008/01/19/mathematica-and-the-fundamental-theorem-of-calculus/

逆関数，連続性，被積分関数，極，不定積分 antiderivative