Optimal. Leaf size=106 \[ -\frac {a^4 \sqrt {c x^2}}{b^5 x (a+b x)}-\frac {4 a^3 \sqrt {c x^2} \log (a+b x)}{b^5 x}+\frac {3 a^2 \sqrt {c x^2}}{b^4}-\frac {a x \sqrt {c x^2}}{b^3}+\frac {x^2 \sqrt {c x^2}}{3 b^2} \]
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Rubi [A] time = 0.04, antiderivative size = 106, 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, 43} \[ -\frac {a^4 \sqrt {c x^2}}{b^5 x (a+b x)}+\frac {3 a^2 \sqrt {c x^2}}{b^4}-\frac {4 a^3 \sqrt {c x^2} \log (a+b x)}{b^5 x}-\frac {a x \sqrt {c x^2}}{b^3}+\frac {x^2 \sqrt {c x^2}}{3 b^2} \]
Antiderivative was successfully verified.
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Rule 15
Rule 43
Rubi steps
\begin {align*} \int \frac {x^3 \sqrt {c x^2}}{(a+b x)^2} \, dx &=\frac {\sqrt {c x^2} \int \frac {x^4}{(a+b x)^2} \, dx}{x}\\ &=\frac {\sqrt {c x^2} \int \left (\frac {3 a^2}{b^4}-\frac {2 a x}{b^3}+\frac {x^2}{b^2}+\frac {a^4}{b^4 (a+b x)^2}-\frac {4 a^3}{b^4 (a+b x)}\right ) \, dx}{x}\\ &=\frac {3 a^2 \sqrt {c x^2}}{b^4}-\frac {a x \sqrt {c x^2}}{b^3}+\frac {x^2 \sqrt {c x^2}}{3 b^2}-\frac {a^4 \sqrt {c x^2}}{b^5 x (a+b x)}-\frac {4 a^3 \sqrt {c x^2} \log (a+b x)}{b^5 x}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 81, normalized size = 0.76 \[ \frac {c x \left (-3 a^4+9 a^3 b x-12 a^3 (a+b x) \log (a+b x)+6 a^2 b^2 x^2-2 a b^3 x^3+b^4 x^4\right )}{3 b^5 \sqrt {c x^2} (a+b x)} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.42, size = 83, normalized size = 0.78 \[ \frac {{\left (b^{4} x^{4} - 2 \, a b^{3} x^{3} + 6 \, a^{2} b^{2} x^{2} + 9 \, a^{3} b x - 3 \, a^{4} - 12 \, {\left (a^{3} b x + a^{4}\right )} \log \left (b x + a\right )\right )} \sqrt {c x^{2}}}{3 \, {\left (b^{6} x^{2} + a b^{5} x\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.00, size = 96, normalized size = 0.91 \[ -\frac {1}{3} \, \sqrt {c} {\left (\frac {12 \, a^{3} \log \left ({\left | b x + a \right |}\right ) \mathrm {sgn}\relax (x)}{b^{5}} + \frac {3 \, a^{4} \mathrm {sgn}\relax (x)}{{\left (b x + a\right )} b^{5}} - \frac {3 \, {\left (4 \, a^{3} \log \left ({\left | a \right |}\right ) + a^{3}\right )} \mathrm {sgn}\relax (x)}{b^{5}} - \frac {b^{4} x^{3} \mathrm {sgn}\relax (x) - 3 \, a b^{3} x^{2} \mathrm {sgn}\relax (x) + 9 \, a^{2} b^{2} x \mathrm {sgn}\relax (x)}{b^{6}}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 88, normalized size = 0.83 \[ -\frac {\sqrt {c \,x^{2}}\, \left (-b^{4} x^{4}+2 a \,b^{3} x^{3}+12 a^{3} b x \ln \left (b x +a \right )-6 a^{2} b^{2} x^{2}+12 a^{4} \ln \left (b x +a \right )-9 a^{3} b x +3 a^{4}\right )}{3 \left (b x +a \right ) b^{5} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.52, size = 135, normalized size = 1.27 \[ \frac {\sqrt {c x^{2}} a^{3}}{b^{5} x + a b^{4}} - \frac {4 \, \left (-1\right )^{\frac {2 \, c x}{b}} a^{3} \sqrt {c} \log \left (\frac {2 \, c x}{b}\right )}{b^{5}} - \frac {4 \, \left (-1\right )^{\frac {2 \, a c x}{b}} a^{3} \sqrt {c} \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{b^{5}} - \frac {\sqrt {c x^{2}} a x}{b^{3}} + \frac {3 \, \sqrt {c x^{2}} a^{2}}{b^{4}} + \frac {\left (c x^{2}\right )^{\frac {3}{2}}}{3 \, b^{2} c} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^3\,\sqrt {c\,x^2}}{{\left (a+b\,x\right )}^2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{3} \sqrt {c x^{2}}}{\left (a + b x\right )^{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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