\[ \int \frac {a+b x}{x^4 \sqrt {c x^2}} \, dx \]
Optimal antiderivative \[ -\frac {a}{4 x^{3} \sqrt {c \,x^{2}}}-\frac {b}{3 x^{2} \sqrt {c \,x^{2}}} \]
command
integrate((b*x+a)/x^4/(c*x^2)^(1/2),x, algorithm="giac")
Giac 1.9.0-11 via sagemath 9.6 output
\[ -\frac {4 \, b x + 3 \, a}{12 \, \sqrt {c} x^{4} \mathrm {sgn}\left (x\right )} \]
Giac 1.7.0 via sagemath 9.3 output
\[ \mathit {sage}_{0} x \]________________________________________________________________________________________