Integrand size = 33, antiderivative size = 14 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\sqrt [5]{e}}}{(-3+\log (x))^2} \]
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Time = 0.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.14, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.061, Rules used = {12, 32} \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\sqrt [5]{e}}}{(3-\log (x))^2} \]
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Rule 12
Rule 32
Rubi steps \begin{align*} \text {integral}& = -\left (\left (2 e^{\sqrt [5]{e}}\right ) \int \frac {1}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx\right ) \\ & = -\left (\left (2 e^{\sqrt [5]{e}}\right ) \text {Subst}\left (\int \frac {1}{(-3+x)^3} \, dx,x,\log (x)\right )\right ) \\ & = \frac {e^{\sqrt [5]{e}}}{(3-\log (x))^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\sqrt [5]{e}}}{(-3+\log (x))^2} \]
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Time = 0.09 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79
method | result | size |
default | \(\frac {{\mathrm e}^{{\mathrm e}^{\frac {1}{5}}}}{\left (\ln \left (x \right )-3\right )^{2}}\) | \(11\) |
norman | \(\frac {{\mathrm e}^{{\mathrm e}^{\frac {1}{5}}}}{\left (\ln \left (x \right )-3\right )^{2}}\) | \(11\) |
risch | \(\frac {{\mathrm e}^{{\mathrm e}^{\frac {1}{5}}}}{\left (\ln \left (x \right )-3\right )^{2}}\) | \(11\) |
parallelrisch | \(\frac {{\mathrm e}^{{\mathrm e}^{\frac {1}{5}}}}{\ln \left (x \right )^{2}-6 \ln \left (x \right )+9}\) | \(17\) |
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.14 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\left (e^{\frac {1}{5}}\right )}}{\log \left (x\right )^{2} - 6 \, \log \left (x\right ) + 9} \]
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Time = 0.06 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.21 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{e^{\frac {1}{5}}}}{\log {\left (x \right )}^{2} - 6 \log {\left (x \right )} + 9} \]
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none
Time = 0.19 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.14 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\left (e^{\frac {1}{5}}\right )}}{\log \left (x\right )^{2} - 6 \, \log \left (x\right ) + 9} \]
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Time = 0.25 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {e^{\left (e^{\frac {1}{5}}\right )}}{{\left (\log \left (x\right ) - 3\right )}^{2}} \]
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Time = 11.19 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int -\frac {2 e^{\sqrt [5]{e}}}{-27 x+27 x \log (x)-9 x \log ^2(x)+x \log ^3(x)} \, dx=\frac {{\mathrm {e}}^{{\mathrm {e}}^{1/5}}}{{\left (\ln \left (x\right )-3\right )}^2} \]
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