11.8 Problem number 25

\[ \int \frac {x (d+e x)}{\left (d^2-e^2 x^2\right )^{7/2}} \, dx \]

Optimal antiderivative \[ \frac {e x +d}{5 e^{2} \left (-e^{2} x^{2}+d^{2}\right )^{\frac {5}{2}}}-\frac {x}{15 d^{2} e \left (-e^{2} x^{2}+d^{2}\right )^{\frac {3}{2}}}-\frac {2 x}{15 d^{4} e \sqrt {-e^{2} x^{2}+d^{2}}} \]

command

integrate(x*(e*x+d)/(-e^2*x^2+d^2)^(7/2),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

\[ \text {could not integrate} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \frac {{\left (x^{3} {\left (\frac {2 \, x^{2} e^{3}}{d^{4}} - \frac {5 \, e}{d^{2}}\right )} - 3 \, d e^{\left (-2\right )}\right )} \sqrt {-x^{2} e^{2} + d^{2}}}{15 \, {\left (x^{2} e^{2} - d^{2}\right )}^{3}} \]