61.28 Problem number 399

\[ \int \frac {\tan ^{\frac {3}{2}}(c+d x) (A+B \tan (c+d x))}{a+b \tan (c+d x)} \, dx \]

Optimal antiderivative \[ \frac {2 a^{\frac {3}{2}} \left (A b -B a \right ) \arctan \left (\frac {\sqrt {b}\, \left (\sqrt {\tan }\left (d x +c \right )\right )}{\sqrt {a}}\right )}{b^{\frac {3}{2}} \left (a^{2}+b^{2}\right ) d}+\frac {\left (b \left (A -B \right )-a \left (A +B \right )\right ) \arctan \left (-1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right ) \sqrt {2}}{2 \left (a^{2}+b^{2}\right ) d}+\frac {\left (b \left (A -B \right )-a \left (A +B \right )\right ) \arctan \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )\right ) \sqrt {2}}{2 \left (a^{2}+b^{2}\right ) d}+\frac {\left (a \left (A -B \right )+b \left (A +B \right )\right ) \ln \left (1-\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )\right ) \sqrt {2}}{4 \left (a^{2}+b^{2}\right ) d}-\frac {\left (a \left (A -B \right )+b \left (A +B \right )\right ) \ln \left (1+\sqrt {2}\, \left (\sqrt {\tan }\left (d x +c \right )\right )+\tan \left (d x +c \right )\right ) \sqrt {2}}{4 \left (a^{2}+b^{2}\right ) d}+\frac {2 B \left (\sqrt {\tan }\left (d x +c \right )\right )}{b d} \]

command

integrate(tan(d*x+c)^(3/2)*(A+B*tan(d*x+c))/(a+b*tan(d*x+c)),x, algorithm="fricas")

Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output

\[ \text {output too large to display} \]

Fricas 1.3.7 via sagemath 9.3 output \[ \text {Timed out} \]