\[ \int \frac {x^2}{\left (b x^2\right )^{5/2}} \, dx \]
Optimal antiderivative \[ -\frac {1}{2 b^{2} x \sqrt {b \,x^{2}}} \]
command
integrate(x^2/(b*x^2)^(5/2),x, algorithm="giac")
Giac 1.9.0-11 via sagemath 9.6 output
\[ -\frac {1}{2 \, b^{\frac {5}{2}} x^{2} \mathrm {sgn}\left (x\right )} \]
Giac 1.7.0 via sagemath 9.3 output
\[ \mathit {sage}_{0} x \]________________________________________________________________________________________