Integrand size = 43, antiderivative size = 27 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-x+\log \left (5 \left (1-\frac {x}{3 \left (x-\frac {320}{x \log (3)}\right )}\right )\right ) \]
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Time = 0.04 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.163, Rules used = {1687, 1600, 8, 12, 1121, 630, 31} \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-\log \left (320-x^2 \log (3)\right )+\log \left (480-x^2 \log (3)\right )-x \]
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Rule 8
Rule 12
Rule 31
Rule 630
Rule 1121
Rule 1600
Rule 1687
Rubi steps \begin{align*} \text {integral}& = \int \frac {320 x \log (3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx+\int \frac {-153600+800 x^2 \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx \\ & = (320 \log (3)) \int \frac {x}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx+\int -1 \, dx \\ & = -x+(160 \log (3)) \text {Subst}\left (\int \frac {1}{153600-800 x \log (3)+x^2 \log ^2(3)} \, dx,x,x^2\right ) \\ & = -x+\log ^2(3) \text {Subst}\left (\int \frac {1}{-480 \log (3)+x \log ^2(3)} \, dx,x,x^2\right )-\log ^2(3) \text {Subst}\left (\int \frac {1}{-320 \log (3)+x \log ^2(3)} \, dx,x,x^2\right ) \\ & = -x-\log \left (320-x^2 \log (3)\right )+\log \left (480-x^2 \log (3)\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-x-\log \left (320-x^2 \log (3)\right )+\log \left (480-x^2 \log (3)\right ) \]
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Time = 0.08 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.93
method | result | size |
default | \(-x +\ln \left (x^{2} \ln \left (3\right )-480\right )-\ln \left (x^{2} \ln \left (3\right )-320\right )\) | \(25\) |
norman | \(-x +\ln \left (x^{2} \ln \left (3\right )-480\right )-\ln \left (x^{2} \ln \left (3\right )-320\right )\) | \(25\) |
risch | \(-x -\ln \left (x^{2} \ln \left (3\right )-320\right )+\ln \left (-x^{2} \ln \left (3\right )+480\right )\) | \(26\) |
parallelrisch | \(-x +\ln \left (\frac {x^{2} \ln \left (3\right )-480}{\ln \left (3\right )}\right )-\ln \left (\frac {x^{2} \ln \left (3\right )-320}{\ln \left (3\right )}\right )\) | \(35\) |
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Time = 0.22 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-x - \log \left (x^{2} \log \left (3\right ) - 320\right ) + \log \left (x^{2} \log \left (3\right ) - 480\right ) \]
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Time = 0.12 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.74 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=- x + \log {\left (x^{2} - \frac {480}{\log {\left (3 \right )}} \right )} - \log {\left (x^{2} - \frac {320}{\log {\left (3 \right )}} \right )} \]
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Time = 0.18 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-x - \log \left (x^{2} \log \left (3\right ) - 320\right ) + \log \left (x^{2} \log \left (3\right ) - 480\right ) \]
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Time = 0.29 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=-x - \log \left ({\left | x^{2} \log \left (3\right ) - 320 \right |}\right ) + \log \left ({\left | x^{2} \log \left (3\right ) - 480 \right |}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.26 \[ \int \frac {-153600+\left (320 x+800 x^2\right ) \log (3)-x^4 \log ^2(3)}{153600-800 x^2 \log (3)+x^4 \log ^2(3)} \, dx=2\,\mathrm {atanh}\left (-\frac {2560\,x^2\,{\ln \left (3\right )}^5}{12800\,x^2\,{\ln \left (3\right )}^5-4915200\,{\ln \left (3\right )}^4}\right )-x \]
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