5.21 Problem number 841

\[ \int \frac {(a+b x)^2}{x^2 \left (c x^2\right )^{3/2}} \, dx \]

Optimal antiderivative \[ -\frac {a^{2}}{4 c \,x^{3} \sqrt {c \,x^{2}}}-\frac {2 a b}{3 c \,x^{2} \sqrt {c \,x^{2}}}-\frac {b^{2}}{2 c x \sqrt {c \,x^{2}}} \]

command

integrate((b*x+a)^2/x^2/(c*x^2)^(3/2),x, algorithm="giac")

Giac 1.9.0-11 via sagemath 9.6 output

\[ -\frac {6 \, b^{2} \sqrt {c} x^{2} + 8 \, a b \sqrt {c} x + 3 \, a^{2} \sqrt {c}}{12 \, c^{2} x^{4} \mathrm {sgn}\left (x\right )} \]

Giac 1.7.0 via sagemath 9.3 output

\[ \mathit {sage}_{0} x \]________________________________________________________________________________________