Integrand size = 102, antiderivative size = 23 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{x+\frac {x}{2-x}}+\log \left ((26-\log (x))^2\right ) \]
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\[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=\int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-8+8 x-2 x^2-e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )-e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{(2-x)^2 x (26-\log (x))} \, dx \\ & = \int \left (\frac {e^{\frac {(-3+x) x}{-2+x}} \left (6-4 x+x^2\right )}{(-2+x)^2}-\frac {8}{(-2+x)^2 (-26+\log (x))}+\frac {8}{(-2+x)^2 x (-26+\log (x))}+\frac {2 x}{(-2+x)^2 (-26+\log (x))}\right ) \, dx \\ & = 2 \int \frac {x}{(-2+x)^2 (-26+\log (x))} \, dx-8 \int \frac {1}{(-2+x)^2 (-26+\log (x))} \, dx+8 \int \frac {1}{(-2+x)^2 x (-26+\log (x))} \, dx+\int \frac {e^{\frac {(-3+x) x}{-2+x}} \left (6-4 x+x^2\right )}{(-2+x)^2} \, dx \\ & = e^{\frac {(3-x) x}{2-x}}+2 \int \frac {x}{(-2+x)^2 (-26+\log (x))} \, dx-8 \int \frac {1}{(-2+x)^2 (-26+\log (x))} \, dx+8 \int \frac {1}{(-2+x)^2 x (-26+\log (x))} \, dx \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{-1-\frac {2}{-2+x}+x}+2 \log (26-\log (x)) \]
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Time = 0.37 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
risch | \({\mathrm e}^{\frac {x \left (-3+x \right )}{-2+x}}+2 \ln \left (-26+\ln \left (x \right )\right )\) | \(20\) |
parallelrisch | \({\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}+2 \ln \left (-26+\ln \left (x \right )\right )\) | \(23\) |
default | \(2 \ln \left (-26+\ln \left (x \right )\right )+\frac {x \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}-2 \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}}{-2+x}\) | \(48\) |
norman | \(2 \ln \left (-26+\ln \left (x \right )\right )+\frac {x \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}-2 \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}}{-2+x}\) | \(48\) |
parts | \(2 \ln \left (-26+\ln \left (x \right )\right )+\frac {x \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}-2 \,{\mathrm e}^{\frac {x^{2}-3 x}{-2+x}}}{-2+x}\) | \(48\) |
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Time = 0.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{\left (\frac {x^{2} - 3 \, x}{x - 2}\right )} + 2 \, \log \left (\log \left (x\right ) - 26\right ) \]
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Time = 0.21 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{\frac {x^{2} - 3 x}{x - 2}} + 2 \log {\left (\log {\left (x \right )} - 26 \right )} \]
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{\left (x - \frac {2}{x - 2} - 1\right )} + 2 \, \log \left (\log \left (x\right ) - 26\right ) \]
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Time = 0.34 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=e^{\left (\frac {x^{2} - 3 \, x}{x - 2}\right )} + 2 \, \log \left (\log \left (x\right ) - 26\right ) \]
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Time = 13.27 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.22 \[ \int \frac {8-8 x+2 x^2+e^{\frac {-3 x+x^2}{-2+x}} \left (-156 x+104 x^2-26 x^3\right )+e^{\frac {-3 x+x^2}{-2+x}} \left (6 x-4 x^2+x^3\right ) \log (x)}{-104 x+104 x^2-26 x^3+\left (4 x-4 x^2+x^3\right ) \log (x)} \, dx=2\,\ln \left (\ln \left (x\right )-26\right )+{\mathrm {e}}^{-\frac {3\,x}{x-2}}\,{\mathrm {e}}^{\frac {x^2}{x-2}} \]
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