6.9 Problem number 914

\[ \int \frac {x^2}{\left (-2-3 x^2\right )^{3/4}} \, dx \]

Optimal antiderivative \[ -\frac {2 x \left (-3 x^{2}-2\right )^{\frac {1}{4}}}{9}+\frac {2 \,2^{\frac {3}{4}} \sqrt {\frac {\cos \left (4 \arctan \left (\frac {\left (-24 x^{2}-16\right )^{\frac {1}{4}}}{2}\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (2 \arctan \left (\frac {\left (-3 x^{2}-2\right )^{\frac {1}{4}} 2^{\frac {3}{4}}}{2}\right )\right ), \frac {\sqrt {2}}{2}\right ) \left (\sqrt {2}+\sqrt {-3 x^{2}-2}\right ) \sqrt {-\frac {x^{2}}{\left (\sqrt {2}+\sqrt {-3 x^{2}-2}\right )^{2}}}\, \sqrt {3}}{27 \cos \left (2 \arctan \left (\frac {\left (-3 x^{2}-2\right )^{\frac {1}{4}} 2^{\frac {3}{4}}}{2}\right )\right ) x} \]

command

int(x^2/(-3*x^2-2)^(3/4),x,method=_RETURNVERBOSE)

Maple 2022.1 output

method result size
meijerg \(-\frac {\left (-1\right )^{\frac {1}{4}} 2^{\frac {1}{4}} x^{3} \hypergeom \left (\left [\frac {3}{4}, \frac {3}{2}\right ], \left [\frac {5}{2}\right ], -\frac {3 x^{2}}{2}\right )}{6}\) \(23\)

Maple 2021.1 output

\[ \int \frac {x^{2}}{\left (-3 x^{2}-2\right )^{\frac {3}{4}}}\, dx \]________________________________________________________________________________________