36.61 Problem number 169

\[ \int \frac {e+f x}{x \sqrt {1-x^3}} \, dx \]

Optimal antiderivative \[ -\frac {2 e \arctanh \left (\sqrt {-x^{3}+1}\right )}{3}-\frac {2 f \left (1-x \right ) \EllipticF \left (\frac {1-x -\sqrt {3}}{1-x +\sqrt {3}}, i \sqrt {3}+2 i\right ) \left (\frac {\sqrt {6}}{2}+\frac {\sqrt {2}}{2}\right ) \sqrt {\frac {x^{2}+x +1}{\left (1-x +\sqrt {3}\right )^{2}}}\, 3^{\frac {3}{4}}}{3 \sqrt {-x^{3}+1}\, \sqrt {\frac {1-x}{\left (1-x +\sqrt {3}\right )^{2}}}} \]

command

integrate((f*x+e)/x/(-x^3+1)^(1/2),x, algorithm="fricas")

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

\[ \frac {1}{3} \, e \log \left (-\frac {x^{3} + 2 \, \sqrt {-x^{3} + 1} - 2}{x^{3}}\right ) \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (-\frac {\sqrt {-x^{3} + 1} {\left (f x + e\right )}}{x^{4} - x}, x\right ) \]