96.52 Problem number 102

\[ \int (e+f x)^3 \left (a+b \coth ^{-1}(c+d x)\right ) \, dx \]

Optimal antiderivative \[ \frac {b f \left (6 d^{2} e^{2}-12 c d e f +\left (6 c^{2}+1\right ) f^{2}\right ) x}{4 d^{3}}+\frac {b \,f^{2} \left (-c f +d e \right ) \left (d x +c \right )^{2}}{2 d^{4}}+\frac {b \,f^{3} \left (d x +c \right )^{3}}{12 d^{4}}+\frac {\left (f x +e \right )^{4} \left (a +b \,\mathrm {arccoth}\left (d x +c \right )\right )}{4 f}+\frac {b \left (-c f +d e +f \right )^{4} \ln \left (-d x -c +1\right )}{8 d^{4} f}-\frac {b \left (-c f +d e -f \right )^{4} \ln \left (d x +c +1\right )}{8 d^{4} f} \]

command

integrate((f*x+e)^3*(a+b*arccoth(d*x+c)),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

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

Giac 1.7.0 via sagemath 9.3 output \[ \int {\left (f x + e\right )}^{3} {\left (b \operatorname {arcoth}\left (d x + c\right ) + a\right )}\,{d x} \]_______________________________________________________