\[ \int \frac {A+B x^3}{(e x)^{7/2} \left (a+b x^3\right )^{5/2}} \, dx \]
Optimal antiderivative \[ -\frac {2 A}{5 a e \left (e x \right )^{\frac {5}{2}} \left (b \,x^{3}+a \right )^{\frac {3}{2}}}-\frac {2 \left (14 A b -5 B a \right ) \sqrt {e x}}{45 a^{2} e^{4} \left (b \,x^{3}+a \right )^{\frac {3}{2}}}-\frac {16 \left (14 A b -5 B a \right ) \sqrt {e x}}{135 a^{3} e^{4} \sqrt {b \,x^{3}+a}}-\frac {16 \left (14 A b -5 B a \right ) \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right ) \sqrt {\frac {\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1-\sqrt {3}\right )\right )^{2}}{\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1+\sqrt {3}\right )\right )^{2}}}\, \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1+\sqrt {3}\right )\right ) \EllipticF \left (\sqrt {1-\frac {\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1-\sqrt {3}\right )\right )^{2}}{\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1+\sqrt {3}\right )\right )^{2}}}, \frac {\sqrt {6}}{4}+\frac {\sqrt {2}}{4}\right ) \sqrt {e x}\, \sqrt {\frac {a^{\frac {2}{3}}-a^{\frac {1}{3}} b^{\frac {1}{3}} x +b^{\frac {2}{3}} x^{2}}{\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1+\sqrt {3}\right )\right )^{2}}}\, 3^{\frac {3}{4}}}{405 \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1-\sqrt {3}\right )\right ) a^{\frac {10}{3}} e^{4} \sqrt {b \,x^{3}+a}\, \sqrt {\frac {b^{\frac {1}{3}} x \left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \right )}{\left (a^{\frac {1}{3}}+b^{\frac {1}{3}} x \left (1+\sqrt {3}\right )\right )^{2}}}} \]
command
integrate((B*x^3+A)/(e*x)^(7/2)/(b*x^3+a)^(5/2),x, algorithm="fricas")
Fricas 1.3.8 (sbcl 2.2.11.debian) via sagemath 9.6 output
\[ -\frac {2 \, {\left (16 \, {\left ({\left (5 \, B a b^{2} - 14 \, A b^{3}\right )} x^{9} + 2 \, {\left (5 \, B a^{2} b - 14 \, A a b^{2}\right )} x^{6} + {\left (5 \, B a^{3} - 14 \, A a^{2} b\right )} x^{3}\right )} \sqrt {a} {\rm weierstrassPInverse}\left (0, -\frac {4 \, b}{a}, \frac {1}{x}\right ) - {\left (8 \, {\left (5 \, B a^{2} b - 14 \, A a b^{2}\right )} x^{6} - 27 \, A a^{3} + 11 \, {\left (5 \, B a^{3} - 14 \, A a^{2} b\right )} x^{3}\right )} \sqrt {b x^{3} + a} \sqrt {x}\right )} e^{\left (-\frac {7}{2}\right )}}{135 \, {\left (a^{4} b^{2} x^{9} + 2 \, a^{5} b x^{6} + a^{6} x^{3}\right )}} \]
Fricas 1.3.7 via sagemath 9.3 output
\[ {\rm integral}\left (\frac {{\left (B x^{3} + A\right )} \sqrt {b x^{3} + a} \sqrt {e x}}{b^{3} e^{4} x^{13} + 3 \, a b^{2} e^{4} x^{10} + 3 \, a^{2} b e^{4} x^{7} + a^{3} e^{4} x^{4}}, x\right ) \]