19.118 Problem number 450

\[ \int \frac {\sqrt {a+b x^3} \left (c+d x+e x^2+f x^3+g x^4\right )}{x^2} \, dx \]

Optimal antiderivative \[ -\frac {2 d \arctanh \left (\frac {\sqrt {b \,x^{3}+a}}{\sqrt {a}}\right ) \sqrt {a}}{3}+\frac {2 a g \sqrt {b \,x^{3}+a}}{9 b}-\frac {3 c \sqrt {b \,x^{3}+a}}{x}+\frac {2 \left (35 g \,x^{5}+45 f \,x^{4}+63 e \,x^{3}+105 d \,x^{2}+315 c x \right ) \sqrt {b \,x^{3}+a}}{315 x^{2}}+\frac {3 \left (2 a f +7 b c \right ) \sqrt {b \,x^{3}+a}}{7 b^{\frac {2}{3}} \left (b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )\right )}-\frac {3 \,3^{\frac {1}{4}} a^{\frac {1}{3}} \left (2 a f +7 b c \right ) \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right ) \EllipticE \left (\frac {b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1-\sqrt {3}\right )}{b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )}, i \sqrt {3}+2 i\right ) \left (\frac {\sqrt {6}}{2}-\frac {\sqrt {2}}{2}\right ) \sqrt {\frac {a^{\frac {2}{3}}-a^{\frac {1}{3}} b^{\frac {1}{3}} x +b^{\frac {2}{3}} x^{2}}{\left (b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )\right )^{2}}}}{14 b^{\frac {2}{3}} \sqrt {b \,x^{3}+a}\, \sqrt {\frac {a^{\frac {1}{3}} \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right )}{\left (b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )\right )^{2}}}}+\frac {3^{\frac {3}{4}} a^{\frac {1}{3}} \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right ) \EllipticF \left (\frac {b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1-\sqrt {3}\right )}{b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )}, i \sqrt {3}+2 i\right ) \left (14 a^{\frac {2}{3}} b^{\frac {1}{3}} e -5 \left (2 a f +7 b c \right ) \left (1-\sqrt {3}\right )\right ) \left (\frac {\sqrt {6}}{2}+\frac {\sqrt {2}}{2}\right ) \sqrt {\frac {a^{\frac {2}{3}}-a^{\frac {1}{3}} b^{\frac {1}{3}} x +b^{\frac {2}{3}} x^{2}}{\left (b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )\right )^{2}}}}{35 b^{\frac {2}{3}} \sqrt {b \,x^{3}+a}\, \sqrt {\frac {a^{\frac {1}{3}} \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right )}{\left (b^{\frac {1}{3}} x +a^{\frac {1}{3}} \left (1+\sqrt {3}\right )\right )^{2}}}} \]

command

integrate((g*x^4+f*x^3+e*x^2+d*x+c)*(b*x^3+a)^(1/2)/x^2,x, algorithm="fricas")

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

\[ \left [\frac {105 \, \sqrt {a} b d x \log \left (-\frac {b^{2} x^{6} + 8 \, a b x^{3} - 4 \, {\left (b x^{3} + 2 \, a\right )} \sqrt {b x^{3} + a} \sqrt {a} + 8 \, a^{2}}{x^{6}}\right ) + 756 \, a \sqrt {b} x e {\rm weierstrassPInverse}\left (0, -\frac {4 \, a}{b}, x\right ) - 270 \, {\left (7 \, b c + 2 \, a f\right )} \sqrt {b} x {\rm weierstrassZeta}\left (0, -\frac {4 \, a}{b}, {\rm weierstrassPInverse}\left (0, -\frac {4 \, a}{b}, x\right )\right ) + 2 \, {\left (70 \, b g x^{4} + 90 \, b f x^{3} + 126 \, b x^{2} e - 315 \, b c + 70 \, {\left (3 \, b d + a g\right )} x\right )} \sqrt {b x^{3} + a}}{630 \, b x}, \frac {105 \, \sqrt {-a} b d x \arctan \left (\frac {2 \, \sqrt {b x^{3} + a} \sqrt {-a}}{b x^{3} + 2 \, a}\right ) + 378 \, a \sqrt {b} x e {\rm weierstrassPInverse}\left (0, -\frac {4 \, a}{b}, x\right ) - 135 \, {\left (7 \, b c + 2 \, a f\right )} \sqrt {b} x {\rm weierstrassZeta}\left (0, -\frac {4 \, a}{b}, {\rm weierstrassPInverse}\left (0, -\frac {4 \, a}{b}, x\right )\right ) + {\left (70 \, b g x^{4} + 90 \, b f x^{3} + 126 \, b x^{2} e - 315 \, b c + 70 \, {\left (3 \, b d + a g\right )} x\right )} \sqrt {b x^{3} + a}}{315 \, b x}\right ] \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {{\left (g x^{4} + f x^{3} + e x^{2} + d x + c\right )} \sqrt {b x^{3} + a}}{x^{2}}, x\right ) \]