Optimal. Leaf size=85 \[ -\frac {2 a \sqrt {c x^2}}{b^3}+\frac {x \sqrt {c x^2}}{2 b^2}+\frac {a^3 \sqrt {c x^2}}{b^4 x (a+b x)}+\frac {3 a^2 \sqrt {c x^2} \log (a+b x)}{b^4 x} \]
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Rubi [A]
time = 0.02, antiderivative size = 85, 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^3 \sqrt {c x^2}}{b^4 x (a+b x)}+\frac {3 a^2 \sqrt {c x^2} \log (a+b x)}{b^4 x}-\frac {2 a \sqrt {c x^2}}{b^3}+\frac {x \sqrt {c x^2}}{2 b^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 45
Rubi steps
\begin {align*} \int \frac {x^2 \sqrt {c x^2}}{(a+b x)^2} \, dx &=\frac {\sqrt {c x^2} \int \frac {x^3}{(a+b x)^2} \, dx}{x}\\ &=\frac {\sqrt {c x^2} \int \left (-\frac {2 a}{b^3}+\frac {x}{b^2}-\frac {a^3}{b^3 (a+b x)^2}+\frac {3 a^2}{b^3 (a+b x)}\right ) \, dx}{x}\\ &=-\frac {2 a \sqrt {c x^2}}{b^3}+\frac {x \sqrt {c x^2}}{2 b^2}+\frac {a^3 \sqrt {c x^2}}{b^4 x (a+b x)}+\frac {3 a^2 \sqrt {c x^2} \log (a+b x)}{b^4 x}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 70, normalized size = 0.82 \begin {gather*} \frac {c x \left (2 a^3-4 a^2 b x-3 a b^2 x^2+b^3 x^3+6 a^2 (a+b x) \log (a+b x)\right )}{2 b^4 \sqrt {c x^2} (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 76, normalized size = 0.89
method | result | size |
risch | \(\frac {\sqrt {c \,x^{2}}\, \left (\frac {1}{2} x^{2} b -2 a x \right )}{x \,b^{3}}+\frac {a^{3} \sqrt {c \,x^{2}}}{b^{4} x \left (b x +a \right )}+\frac {3 a^{2} \ln \left (b x +a \right ) \sqrt {c \,x^{2}}}{b^{4} x}\) | \(75\) |
default | \(\frac {\sqrt {c \,x^{2}}\, \left (b^{3} x^{3}+6 \ln \left (b x +a \right ) a^{2} b x -3 a \,b^{2} x^{2}+6 a^{3} \ln \left (b x +a \right )-4 a^{2} b x +2 a^{3}\right )}{2 x \,b^{4} \left (b x +a \right )}\) | \(76\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 118, normalized size = 1.39 \begin {gather*} -\frac {\sqrt {c x^{2}} a^{2}}{b^{4} x + a b^{3}} + \frac {3 \, \left (-1\right )^{\frac {2 \, c x}{b}} a^{2} \sqrt {c} \log \left (\frac {2 \, c x}{b}\right )}{b^{4}} + \frac {3 \, \left (-1\right )^{\frac {2 \, a c x}{b}} a^{2} \sqrt {c} \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{b^{4}} + \frac {\sqrt {c x^{2}} x}{2 \, b^{2}} - \frac {2 \, \sqrt {c x^{2}} a}{b^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.48, size = 72, normalized size = 0.85 \begin {gather*} \frac {{\left (b^{3} x^{3} - 3 \, a b^{2} x^{2} - 4 \, a^{2} b x + 2 \, a^{3} + 6 \, {\left (a^{2} b x + a^{3}\right )} \log \left (b x + a\right )\right )} \sqrt {c x^{2}}}{2 \, {\left (b^{5} x^{2} + a b^{4} x\right )}} \end {gather*}
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 \begin {gather*} \int \frac {x^{2} \sqrt {c x^{2}}}{\left (a + b x\right )^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.29, size = 80, normalized size = 0.94 \begin {gather*} \frac {1}{2} \, \sqrt {c} {\left (\frac {6 \, a^{2} \log \left ({\left | b x + a \right |}\right ) \mathrm {sgn}\left (x\right )}{b^{4}} + \frac {2 \, a^{3} \mathrm {sgn}\left (x\right )}{{\left (b x + a\right )} b^{4}} - \frac {2 \, {\left (3 \, a^{2} \log \left ({\left | a \right |}\right ) + a^{2}\right )} \mathrm {sgn}\left (x\right )}{b^{4}} + \frac {b^{2} x^{2} \mathrm {sgn}\left (x\right ) - 4 \, a b x \mathrm {sgn}\left (x\right )}{b^{4}}\right )} \end {gather*}
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 \begin {gather*} \int \frac {x^2\,\sqrt {c\,x^2}}{{\left (a+b\,x\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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