\[ \int \frac {1}{\sqrt {-2-5 x^2-3 x^4}} \, dx \]
Optimal antiderivative \[ -\frac {\sqrt {\frac {1}{x^{2}+1}}\, \EllipticF \left (\frac {x}{\sqrt {x^{2}+1}}, \frac {i \sqrt {2}}{2}\right ) \sqrt {-3 x^{2}-2}\, \sqrt {2}}{2 \sqrt {\frac {3 x^{2}+2}{x^{2}+1}}} \]
command
integrate(1/(-3*x^4-5*x^2-2)^(1/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \frac {1}{2} i \, \sqrt {-2} {\rm ellipticF}\left (i \, x, \frac {3}{2}\right ) \]
Fricas 1.3.7 via sagemath 9.3 output
\[ {\rm integral}\left (-\frac {\sqrt {-3 \, x^{4} - 5 \, x^{2} - 2}}{3 \, x^{4} + 5 \, x^{2} + 2}, x\right ) \]