Optimal. Leaf size=64 \[ \frac {x^2}{b^2 \sqrt {c x^2}}-\frac {a^2 x}{b^3 \sqrt {c x^2} (a+b x)}-\frac {2 a x \log (a+b x)}{b^3 \sqrt {c x^2}} \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.02, antiderivative size = 64, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {15, 45}
\begin {gather*} -\frac {a^2 x}{b^3 \sqrt {c x^2} (a+b x)}-\frac {2 a x \log (a+b x)}{b^3 \sqrt {c x^2}}+\frac {x^2}{b^2 \sqrt {c x^2}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 15
Rule 45
Rubi steps
\begin {align*} \int \frac {x^3}{\sqrt {c x^2} (a+b x)^2} \, dx &=\frac {x \int \frac {x^2}{(a+b x)^2} \, dx}{\sqrt {c x^2}}\\ &=\frac {x \int \left (\frac {1}{b^2}+\frac {a^2}{b^2 (a+b x)^2}-\frac {2 a}{b^2 (a+b x)}\right ) \, dx}{\sqrt {c x^2}}\\ &=\frac {x^2}{b^2 \sqrt {c x^2}}-\frac {a^2 x}{b^3 \sqrt {c x^2} (a+b x)}-\frac {2 a x \log (a+b x)}{b^3 \sqrt {c x^2}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.01, size = 52, normalized size = 0.81 \begin {gather*} \frac {x \left (-a^2+a b x+b^2 x^2-2 a (a+b x) \log (a+b x)\right )}{b^3 \sqrt {c x^2} (a+b x)} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 0.14, size = 60, normalized size = 0.94
method | result | size |
risch | \(\frac {x^{2}}{b^{2} \sqrt {c \,x^{2}}}-\frac {a^{2} x}{b^{3} \left (b x +a \right ) \sqrt {c \,x^{2}}}-\frac {2 a x \ln \left (b x +a \right )}{b^{3} \sqrt {c \,x^{2}}}\) | \(59\) |
default | \(-\frac {x \left (2 \ln \left (b x +a \right ) a b x -x^{2} b^{2}+2 a^{2} \ln \left (b x +a \right )-a b x +a^{2}\right )}{\sqrt {c \,x^{2}}\, b^{3} \left (b x +a \right )}\) | \(60\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.31, size = 88, normalized size = 1.38 \begin {gather*} \frac {\sqrt {c x^{2}} a}{b^{3} c x + a b^{2} c} - \frac {2 \, \left (-1\right )^{\frac {2 \, a c x}{b}} a \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{b^{3} \sqrt {c}} - \frac {2 \, a \log \left (b x\right )}{b^{3} \sqrt {c}} + \frac {\sqrt {c x^{2}}}{b^{2} c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A]
time = 0.42, size = 59, normalized size = 0.92 \begin {gather*} \frac {{\left (b^{2} x^{2} + a b x - a^{2} - 2 \, {\left (a b x + a^{2}\right )} \log \left (b x + a\right )\right )} \sqrt {c x^{2}}}{b^{4} c x^{2} + a b^{3} c x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{3}}{\sqrt {c x^{2}} \left (a + b x\right )^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A]
time = 0.58, size = 72, normalized size = 1.12 \begin {gather*} \frac {{\left (2 \, a \log \left ({\left | a \right |}\right ) + a\right )} \mathrm {sgn}\left (x\right )}{b^{3} \sqrt {c}} + \frac {x}{b^{2} \sqrt {c} \mathrm {sgn}\left (x\right )} - \frac {2 \, a \log \left ({\left | b x + a \right |}\right )}{b^{3} \sqrt {c} \mathrm {sgn}\left (x\right )} - \frac {a^{2}}{{\left (b x + a\right )} b^{3} \sqrt {c} \mathrm {sgn}\left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.02 \begin {gather*} \int \frac {x^3}{\sqrt {c\,x^2}\,{\left (a+b\,x\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________