\[ \int \frac {\sqrt {x}}{\sqrt {b x^2+c x^4}} \, dx \]
Optimal antiderivative \[ \frac {x \sqrt {\frac {\cos \left (4 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{b^{\frac {1}{4}}}\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{b^{\frac {1}{4}}}\right )\right ), \frac {\sqrt {2}}{2}\right ) \left (\sqrt {b}+x \sqrt {c}\right ) \sqrt {\frac {c \,x^{2}+b}{\left (\sqrt {b}+x \sqrt {c}\right )^{2}}}}{\cos \left (2 \arctan \left (\frac {c^{\frac {1}{4}} \sqrt {x}}{b^{\frac {1}{4}}}\right )\right ) b^{\frac {1}{4}} c^{\frac {1}{4}} \sqrt {c \,x^{4}+b \,x^{2}}} \]
command
integrate(x^(1/2)/(c*x^4+b*x^2)^(1/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ \frac {2 \, {\rm weierstrassPInverse}\left (-\frac {4 \, b}{c}, 0, x\right )}{\sqrt {c}} \]
Fricas 1.3.7 via sagemath 9.3 output
\[ {\rm integral}\left (\frac {\sqrt {x}}{\sqrt {c x^{4} + b x^{2}}}, x\right ) \]