Integrand size = 37, antiderivative size = 19 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=-5+\log \left (\left (-1-\frac {5}{4} e^x x^2 \log (x)\right )^2\right ) \]
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\[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=\int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {10 e^x x (1+(2+x) \log (x))}{4+5 e^x x^2 \log (x)} \, dx \\ & = 10 \int \frac {e^x x (1+(2+x) \log (x))}{4+5 e^x x^2 \log (x)} \, dx \\ & = 10 \int \left (\frac {e^x x}{4+5 e^x x^2 \log (x)}+\frac {2 e^x x \log (x)}{4+5 e^x x^2 \log (x)}+\frac {e^x x^2 \log (x)}{4+5 e^x x^2 \log (x)}\right ) \, dx \\ & = 10 \int \frac {e^x x}{4+5 e^x x^2 \log (x)} \, dx+10 \int \frac {e^x x^2 \log (x)}{4+5 e^x x^2 \log (x)} \, dx+20 \int \frac {e^x x \log (x)}{4+5 e^x x^2 \log (x)} \, dx \\ & = 10 \int \frac {e^x x}{4+5 e^x x^2 \log (x)} \, dx+10 \int \left (\frac {1}{5}-\frac {4}{5 \left (4+5 e^x x^2 \log (x)\right )}\right ) \, dx+20 \int \frac {e^x x \log (x)}{4+5 e^x x^2 \log (x)} \, dx \\ & = 2 x-8 \int \frac {1}{4+5 e^x x^2 \log (x)} \, dx+10 \int \frac {e^x x}{4+5 e^x x^2 \log (x)} \, dx+20 \int \frac {e^x x \log (x)}{4+5 e^x x^2 \log (x)} \, dx \\ \end{align*}
Time = 0.22 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.79 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=2 \log \left (4+5 e^x x^2 \log (x)\right ) \]
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Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74
method | result | size |
parallelrisch | \(2 \ln \left (x^{2} {\mathrm e}^{x} \ln \left (x \right )+\frac {4}{5}\right )\) | \(14\) |
norman | \(2 \ln \left (5 x^{2} {\mathrm e}^{x} \ln \left (x \right )+4\right )\) | \(15\) |
risch | \(2 x +4 \ln \left (x \right )+2 \ln \left (\ln \left (x \right )+\frac {4 \,{\mathrm e}^{-x}}{5 x^{2}}\right )\) | \(24\) |
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Time = 0.27 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.58 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=2 \, x + 4 \, \log \left (x\right ) + 2 \, \log \left (\frac {{\left (5 \, x^{2} e^{x} \log \left (x\right ) + 4\right )} e^{\left (-x\right )}}{x^{2}}\right ) \]
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Time = 0.17 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.42 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=4 \log {\left (x \right )} + 2 \log {\left (e^{x} + \frac {4}{5 x^{2} \log {\left (x \right )}} \right )} + 2 \log {\left (\log {\left (x \right )} \right )} \]
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Time = 0.26 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.74 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=4 \, \log \left (x\right ) + 2 \, \log \left (\frac {5 \, x^{2} e^{x} \log \left (x\right ) + 4}{5 \, x^{2} \log \left (x\right )}\right ) + 2 \, \log \left (\log \left (x\right )\right ) \]
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Time = 0.27 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=2 \, \log \left (5 \, x^{2} e^{x} \log \left (x\right ) + 4\right ) \]
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Time = 8.69 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74 \[ \int \frac {10 e^x x+e^x \left (20 x+10 x^2\right ) \log (x)}{4+5 e^x x^2 \log (x)} \, dx=2\,\ln \left (5\,x^2\,{\mathrm {e}}^x\,\ln \left (x\right )+4\right ) \]
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