Integrand size = 88, antiderivative size = 22 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=-3+\log (4-x)+\frac {1}{e^{10} (1-\log (-1+x))} \]
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Time = 0.22 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.068, Rules used = {6820, 12, 6860, 2437, 2339, 30} \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\log (4-x)+\frac {1}{e^{10} (1-\log (x-1))} \]
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Rule 12
Rule 30
Rule 2339
Rule 2437
Rule 6820
Rule 6860
Rubi steps \begin{align*} \text {integral}& = \int \frac {-4+e^{10} (-1+x)+x-2 e^{10} (-1+x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right ) (1-\log (-1+x))^2} \, dx \\ & = \frac {\int \frac {-4+e^{10} (-1+x)+x-2 e^{10} (-1+x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{\left (4-5 x+x^2\right ) (1-\log (-1+x))^2} \, dx}{e^{10}} \\ & = \frac {\int \left (\frac {e^{10}}{-4+x}+\frac {1}{(-1+x) (-1+\log (-1+x))^2}\right ) \, dx}{e^{10}} \\ & = \log (4-x)+\frac {\int \frac {1}{(-1+x) (-1+\log (-1+x))^2} \, dx}{e^{10}} \\ & = \log (4-x)+\frac {\text {Subst}\left (\int \frac {1}{x (-1+\log (x))^2} \, dx,x,-1+x\right )}{e^{10}} \\ & = \log (4-x)+\frac {\text {Subst}\left (\int \frac {1}{x^2} \, dx,x,-1+\log (-1+x)\right )}{e^{10}} \\ & = \log (4-x)+\frac {1}{e^{10} (1-\log (-1+x))} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\frac {e^{10} \log (4-x)-\frac {1}{-1+\log (-1+x)}}{e^{10}} \]
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Time = 0.79 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82
method | result | size |
risch | \(-\frac {{\mathrm e}^{-10}}{\ln \left (-1+x \right )-1}+\ln \left (x -4\right )\) | \(18\) |
norman | \(-\frac {{\mathrm e}^{-10}}{\ln \left (-1+x \right )-1}+\ln \left (x -4\right )\) | \(20\) |
derivativedivides | \({\mathrm e}^{-10} \left (-\frac {1}{\ln \left (-1+x \right )-1}+{\mathrm e}^{10} \ln \left (x -4\right )\right )\) | \(26\) |
default | \({\mathrm e}^{-10} \left (-\frac {1}{\ln \left (-1+x \right )-1}+{\mathrm e}^{10} \ln \left (x -4\right )\right )\) | \(26\) |
parallelrisch | \(\frac {\left (-1+{\mathrm e}^{10} \ln \left (x -4\right ) \ln \left (-1+x \right )-{\mathrm e}^{10} \ln \left (x -4\right )\right ) {\mathrm e}^{-10}}{\ln \left (-1+x \right )-1}\) | \(39\) |
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Time = 0.26 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.64 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\frac {e^{10} \log \left (x - 1\right ) \log \left (x - 4\right ) - e^{10} \log \left (x - 4\right ) - 1}{e^{10} \log \left (x - 1\right ) - e^{10}} \]
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Time = 0.07 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\log {\left (x - 4 \right )} - \frac {1}{e^{10} \log {\left (x - 1 \right )} - e^{10}} \]
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Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.95 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=-\frac {1}{e^{10} \log \left (x - 1\right ) - e^{10}} + \log \left (x - 4\right ) \]
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Time = 0.29 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.64 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\frac {e^{10} \log \left (x - 1\right ) \log \left (x - 4\right ) - e^{10} \log \left (x - 4\right ) - 1}{e^{10} \log \left (x - 1\right ) - e^{10}} \]
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Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77 \[ \int \frac {-4+e^{10} (-1+x)+x+e^{10} (2-2 x) \log (-1+x)+e^{10} (-1+x) \log ^2(-1+x)}{e^{10} \left (4-5 x+x^2\right )+e^{10} \left (-8+10 x-2 x^2\right ) \log (-1+x)+e^{10} \left (4-5 x+x^2\right ) \log ^2(-1+x)} \, dx=\ln \left (x-4\right )-\frac {{\mathrm {e}}^{-10}}{\ln \left (x-1\right )-1} \]
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