24.24 Problem number 522

\[ \int \frac {1}{x^2 (1+x)^{5/2} \left (1-x+x^2\right )^{5/2}} \, dx \]

Optimal antiderivative \[ \frac {22}{27 x \sqrt {1+x}\, \sqrt {x^{2}-x +1}}+\frac {2}{9 x \left (x^{3}+1\right ) \sqrt {1+x}\, \sqrt {x^{2}-x +1}}-\frac {55 \left (x^{3}+1\right )}{27 x \sqrt {1+x}\, \sqrt {x^{2}-x +1}}+\frac {\frac {55 x^{3}}{27}+\frac {55}{27}}{\left (1+x +\sqrt {3}\right ) \sqrt {1+x}\, \sqrt {x^{2}-x +1}}+\frac {55 \EllipticF \left (\frac {1+x -\sqrt {3}}{1+x +\sqrt {3}}, i \sqrt {3}+2 i\right ) \sqrt {2}\, \sqrt {1+x}\, \sqrt {\frac {x^{2}-x +1}{\left (1+x +\sqrt {3}\right )^{2}}}\, 3^{\frac {3}{4}}}{81 \sqrt {x^{2}-x +1}\, \sqrt {\frac {1+x}{\left (1+x +\sqrt {3}\right )^{2}}}}-\frac {55 \,3^{\frac {1}{4}} \EllipticE \left (\frac {1+x -\sqrt {3}}{1+x +\sqrt {3}}, i \sqrt {3}+2 i\right ) \sqrt {1+x}\, \left (\frac {\sqrt {6}}{2}-\frac {\sqrt {2}}{2}\right ) \sqrt {\frac {x^{2}-x +1}{\left (1+x +\sqrt {3}\right )^{2}}}}{54 \sqrt {x^{2}-x +1}\, \sqrt {\frac {1+x}{\left (1+x +\sqrt {3}\right )^{2}}}} \]

command

integrate(1/x^2/(1+x)^(5/2)/(x^2-x+1)^(5/2),x, algorithm="fricas")

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

\[ -\frac {{\left (55 \, x^{6} + 88 \, x^{3} + 27\right )} \sqrt {x^{2} - x + 1} \sqrt {x + 1} + 55 \, {\left (x^{7} + 2 \, x^{4} + x\right )} {\rm weierstrassZeta}\left (0, -4, {\rm weierstrassPInverse}\left (0, -4, x\right )\right )}{27 \, {\left (x^{7} + 2 \, x^{4} + x\right )}} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {\sqrt {x^{2} - x + 1} \sqrt {x + 1}}{x^{11} + 3 \, x^{8} + 3 \, x^{5} + x^{2}}, x\right ) \]