19.40 Problem number 111

\[ \int \frac {c+d x}{\sqrt {1+x^3}} \, dx \]

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

command

integrate((d*x+c)/(x^3+1)^(1/2),x, algorithm="fricas")

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

\[ 2 \, c {\rm weierstrassPInverse}\left (0, -4, x\right ) - 2 \, d {\rm weierstrassZeta}\left (0, -4, {\rm weierstrassPInverse}\left (0, -4, x\right )\right ) \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {d x + c}{\sqrt {x^{3} + 1}}, x\right ) \]