\[ \int \frac {x^2}{\left (a+c x^2\right )^{3/2} \left (d+e x+f x^2\right )} \, dx \]
Optimal antiderivative \[ \frac {-a e -\left (-a f +c d \right ) x}{\left (a c \,e^{2}+\left (-a f +c d \right )^{2}\right ) \sqrt {c \,x^{2}+a}}-\frac {f \arctanh \left (\frac {\left (2 a f -c x \left (e -\sqrt {-4 d f +e^{2}}\right )\right ) \sqrt {2}}{2 \sqrt {c \,x^{2}+a}\, \sqrt {2 a \,f^{2}+c \left (e^{2}-2 d f -e \sqrt {-4 d f +e^{2}}\right )}}\right ) \left (2 d \left (-a f +c d \right )+a e \left (e -\sqrt {-4 d f +e^{2}}\right )\right ) \sqrt {2}}{2 \left (a c \,e^{2}+\left (-a f +c d \right )^{2}\right ) \sqrt {-4 d f +e^{2}}\, \sqrt {2 a \,f^{2}+c \left (e^{2}-2 d f -e \sqrt {-4 d f +e^{2}}\right )}}+\frac {f \arctanh \left (\frac {\left (2 a f -c x \left (e +\sqrt {-4 d f +e^{2}}\right )\right ) \sqrt {2}}{2 \sqrt {c \,x^{2}+a}\, \sqrt {2 a \,f^{2}+c \left (e^{2}-2 d f +e \sqrt {-4 d f +e^{2}}\right )}}\right ) \left (2 d \left (-a f +c d \right )+a e \left (e +\sqrt {-4 d f +e^{2}}\right )\right ) \sqrt {2}}{2 \left (a c \,e^{2}+\left (-a f +c d \right )^{2}\right ) \sqrt {-4 d f +e^{2}}\, \sqrt {2 a \,f^{2}+c \left (e^{2}-2 d f +e \sqrt {-4 d f +e^{2}}\right )}} \]
command
integrate(x^2/(c*x^2+a)^(3/2)/(f*x^2+e*x+d),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \text {output too large to display} \]
Fricas 1.3.7 via sagemath 9.3 output \[ \text {Timed out} \]