Integrand size = 33, antiderivative size = 22 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (\frac {3}{1-x-\frac {10}{3} \log (10+e)}\right )} \]
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Time = 0.03 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.121, Rules used = {12, 2437, 2339, 30} \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (\frac {9}{-3 x+3-10 \log (10+e)}\right )} \]
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Rule 12
Rule 30
Rule 2339
Rule 2437
Rubi steps \begin{align*} \text {integral}& = 15 \int \frac {1}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx \\ & = 5 \text {Subst}\left (\int \frac {1}{x \log ^2\left (-\frac {9}{x}\right )} \, dx,x,-3+3 x+10 \log (10+e)\right ) \\ & = -\left (5 \text {Subst}\left (\int \frac {1}{x^2} \, dx,x,\log \left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )\right )\right ) \\ & = \frac {5}{\log \left (\frac {9}{3-3 x-10 \log (10+e)}\right )} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \]
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Time = 0.37 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00
method | result | size |
derivativedivides | \(\frac {5}{\ln \left (-\frac {9}{10 \ln \left (10+{\mathrm e}\right )+3 x -3}\right )}\) | \(22\) |
default | \(\frac {5}{\ln \left (-\frac {9}{10 \ln \left (10+{\mathrm e}\right )+3 x -3}\right )}\) | \(22\) |
norman | \(\frac {5}{\ln \left (-\frac {9}{10 \ln \left (10+{\mathrm e}\right )+3 x -3}\right )}\) | \(22\) |
risch | \(\frac {5}{\ln \left (-\frac {9}{10 \ln \left (10+{\mathrm e}\right )+3 x -3}\right )}\) | \(22\) |
parallelrisch | \(\frac {5}{\ln \left (-\frac {9}{10 \ln \left (10+{\mathrm e}\right )+3 x -3}\right )}\) | \(22\) |
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Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (-\frac {9}{3 \, x + 10 \, \log \left (e + 10\right ) - 3}\right )} \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log {\left (- \frac {9}{3 x - 3 + 10 \log {\left (e + 10 \right )}} \right )}} \]
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Time = 0.19 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (-\frac {9}{3 \, x + 10 \, \log \left (e + 10\right ) - 3}\right )} \]
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Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\log \left (-\frac {9}{3 \, x + 10 \, \log \left (e + 10\right ) - 3}\right )} \]
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Time = 11.69 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {15}{(-3+3 x+10 \log (10+e)) \log ^2\left (-\frac {9}{-3+3 x+10 \log (10+e)}\right )} \, dx=\frac {5}{\ln \left (-\frac {9}{3\,x+10\,\ln \left (\mathrm {e}+10\right )-3}\right )} \]
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