\[ \int \frac {1}{\left (b x^3\right )^{3/2}} \, dx \]
Optimal antiderivative \[ -\frac {2}{7 b \,x^{2} \sqrt {b \,x^{3}}} \]
command
integrate(1/(b*x^3)^(3/2),x, algorithm="giac")
Giac 1.9.0-11 via sagemath 9.6 output
\[ -\frac {2}{7 \, \sqrt {b x} b x^{3} \mathrm {sgn}\left (x\right )} \]
Giac 1.7.0 via sagemath 9.3 output
\[ \mathit {sage}_{0} x \]________________________________________________________________________________________