Optimal. Leaf size=65 \[ \frac {\sqrt {c x^2}}{b^2}-\frac {a^2 \sqrt {c x^2}}{b^3 x (a+b x)}-\frac {2 a \sqrt {c x^2} \log (a+b x)}{b^3 x} \]
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Rubi [A]
time = 0.02, antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {15, 45}
\begin {gather*} -\frac {a^2 \sqrt {c x^2}}{b^3 x (a+b x)}-\frac {2 a \sqrt {c x^2} \log (a+b x)}{b^3 x}+\frac {\sqrt {c x^2}}{b^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 45
Rubi steps
\begin {align*} \int \frac {x \sqrt {c x^2}}{(a+b x)^2} \, dx &=\frac {\sqrt {c x^2} \int \frac {x^2}{(a+b x)^2} \, dx}{x}\\ &=\frac {\sqrt {c x^2} \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}{x}\\ &=\frac {\sqrt {c x^2}}{b^2}-\frac {a^2 \sqrt {c x^2}}{b^3 x (a+b x)}-\frac {2 a \sqrt {c x^2} \log (a+b x)}{b^3 x}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 53, normalized size = 0.82 \begin {gather*} \frac {c 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.
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Maple [A]
time = 0.12, size = 62, normalized size = 0.95
method | result | size |
risch | \(\frac {\sqrt {c \,x^{2}}}{b^{2}}-\frac {a^{2} \sqrt {c \,x^{2}}}{b^{3} x \left (b x +a \right )}-\frac {2 a \ln \left (b x +a \right ) \sqrt {c \,x^{2}}}{b^{3} x}\) | \(60\) |
default | \(-\frac {\sqrt {c \,x^{2}}\, \left (2 \ln \left (b x +a \right ) a b x -x^{2} b^{2}+2 a^{2} \ln \left (b x +a \right )-a b x +a^{2}\right )}{x \,b^{3} \left (b x +a \right )}\) | \(62\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 96, normalized size = 1.48 \begin {gather*} \frac {\sqrt {c x^{2}} a}{b^{3} x + a b^{2}} - \frac {2 \, \left (-1\right )^{\frac {2 \, c x}{b}} a \sqrt {c} \log \left (\frac {2 \, c x}{b}\right )}{b^{3}} - \frac {2 \, \left (-1\right )^{\frac {2 \, a c x}{b}} a \sqrt {c} \log \left (-\frac {2 \, a c x}{b {\left | b x + a \right |}}\right )}{b^{3}} + \frac {\sqrt {c x^{2}}}{b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.43, size = 57, normalized size = 0.88 \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} x^{2} + a b^{3} x} \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 \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 = 1.00, size = 58, normalized size = 0.89 \begin {gather*} \sqrt {c} {\left (\frac {x \mathrm {sgn}\left (x\right )}{b^{2}} - \frac {2 \, a \log \left ({\left | b x + a \right |}\right ) \mathrm {sgn}\left (x\right )}{b^{3}} + \frac {{\left (2 \, a \log \left ({\left | a \right |}\right ) + a\right )} \mathrm {sgn}\left (x\right )}{b^{3}} - \frac {a^{2} \mathrm {sgn}\left (x\right )}{{\left (b x + a\right )} b^{3}}\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 = -0.02 \begin {gather*} \int \frac {x\,\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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