Integrand size = 24, antiderivative size = 24 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 x \left (x+\frac {\log (3)}{x}\right )}+\frac {\log (5)}{4} \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.50, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {12, 28, 267} \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 x^2+\log (243)} \]
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Rule 12
Rule 28
Rule 267
Rubi steps \begin{align*} \text {integral}& = -\left (8 \int \frac {x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx\right ) \\ & = -\left (40 \int \frac {x}{\left (5 x^2+5 \log (3)\right )^2} \, dx\right ) \\ & = \frac {4}{5 x^2+\log (243)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.50 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 \left (x^2+\log (3)\right )} \]
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Time = 0.03 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.46
method | result | size |
gosper | \(\frac {4}{5 \left (\ln \left (3\right )+x^{2}\right )}\) | \(11\) |
default | \(\frac {4}{5 \left (\ln \left (3\right )+x^{2}\right )}\) | \(11\) |
norman | \(\frac {4}{5 \left (\ln \left (3\right )+x^{2}\right )}\) | \(11\) |
risch | \(\frac {4}{5 \left (\ln \left (3\right )+x^{2}\right )}\) | \(11\) |
parallelrisch | \(\frac {4}{5 \left (\ln \left (3\right )+x^{2}\right )}\) | \(11\) |
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none
Time = 0.26 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.42 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 \, {\left (x^{2} + \log \left (3\right )\right )}} \]
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Time = 0.06 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.42 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {8}{10 x^{2} + 10 \log {\left (3 \right )}} \]
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none
Time = 0.18 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.42 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 \, {\left (x^{2} + \log \left (3\right )\right )}} \]
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none
Time = 0.44 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.42 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5 \, {\left (x^{2} + \log \left (3\right )\right )}} \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.58 \[ \int -\frac {8 x}{5 x^4+10 x^2 \log (3)+5 \log ^2(3)} \, dx=\frac {4}{5\,\left (x^2+\ln \left (3\right )\right )} \]
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