13.44 Problem number 821

\[ \int \frac {A+B x^2}{(e x)^{5/2} \left (a+b x^2\right )^{5/2}} \, dx \]

Optimal antiderivative \[ -\frac {2 A}{3 a e \left (e x \right )^{\frac {3}{2}} \left (b \,x^{2}+a \right )^{\frac {3}{2}}}-\frac {\left (3 A b -B a \right ) \sqrt {e x}}{3 a^{2} e^{3} \left (b \,x^{2}+a \right )^{\frac {3}{2}}}-\frac {5 \left (3 A b -B a \right ) \sqrt {e x}}{6 a^{3} e^{3} \sqrt {b \,x^{2}+a}}-\frac {5 \left (3 A b -B a \right ) \sqrt {\frac {\cos \left (4 \arctan \left (\frac {b^{\frac {1}{4}} \sqrt {e x}}{a^{\frac {1}{4}} \sqrt {e}}\right )\right )}{2}+\frac {1}{2}}\, \EllipticF \left (\sin \left (2 \arctan \left (\frac {b^{\frac {1}{4}} \sqrt {e x}}{a^{\frac {1}{4}} \sqrt {e}}\right )\right ), \frac {\sqrt {2}}{2}\right ) \left (\sqrt {a}+x \sqrt {b}\right ) \sqrt {\frac {b \,x^{2}+a}{\left (\sqrt {a}+x \sqrt {b}\right )^{2}}}}{12 \cos \left (2 \arctan \left (\frac {b^{\frac {1}{4}} \sqrt {e x}}{a^{\frac {1}{4}} \sqrt {e}}\right )\right ) a^{\frac {13}{4}} b^{\frac {1}{4}} e^{\frac {5}{2}} \sqrt {b \,x^{2}+a}} \]

command

integrate((B*x^2+A)/(e*x)^(5/2)/(b*x^2+a)^(5/2),x, algorithm="fricas")

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

\[ \frac {{\left (5 \, {\left ({\left (B a b^{2} - 3 \, A b^{3}\right )} x^{6} + 2 \, {\left (B a^{2} b - 3 \, A a b^{2}\right )} x^{4} + {\left (B a^{3} - 3 \, A a^{2} b\right )} x^{2}\right )} \sqrt {b} {\rm weierstrassPInverse}\left (-\frac {4 \, a}{b}, 0, x\right ) + {\left (5 \, {\left (B a b^{2} - 3 \, A b^{3}\right )} x^{4} - 4 \, A a^{2} b + 7 \, {\left (B a^{2} b - 3 \, A a b^{2}\right )} x^{2}\right )} \sqrt {b x^{2} + a} \sqrt {x}\right )} e^{\left (-\frac {5}{2}\right )}}{6 \, {\left (a^{3} b^{3} x^{6} + 2 \, a^{4} b^{2} x^{4} + a^{5} b x^{2}\right )}} \]

Fricas 1.3.7 via sagemath 9.3 output

\[ {\rm integral}\left (\frac {{\left (B x^{2} + A\right )} \sqrt {b x^{2} + a} \sqrt {e x}}{b^{3} e^{3} x^{9} + 3 \, a b^{2} e^{3} x^{7} + 3 \, a^{2} b e^{3} x^{5} + a^{3} e^{3} x^{3}}, x\right ) \]