Integrand size = 94, antiderivative size = 25 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{25+\frac {3 x}{e (4+x) \log (x)}-\log ^2(x)} \]
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Time = 2.60 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.04, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {1608, 27, 6820, 6838} \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=\exp \left (-\log ^2(x)+\frac {3 x}{e x \log (x)+4 e \log (x)}+25\right ) \]
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Rule 27
Rule 1608
Rule 6820
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \int \frac {\exp \left (\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}\right ) \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{x \left (16+8 x+x^2\right ) \log ^2(x)} \, dx \\ & = \int \frac {\exp \left (\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}\right ) \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{x (4+x)^2 \log ^2(x)} \, dx \\ & = \int \frac {e^{24-\log ^2(x)+\frac {3 x}{4 e \log (x)+e x \log (x)}} \left (-3 x (4+x)+12 x \log (x)-2 e (4+x)^2 \log ^3(x)\right )}{x (4+x)^2 \log ^2(x)} \, dx \\ & = e^{25-\log ^2(x)+\frac {3 x}{4 e \log (x)+e x \log (x)}} \\ \end{align*}
Time = 3.24 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{25+\frac {3 x}{e (4+x) \log (x)}-\log ^2(x)} \]
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Time = 3.86 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.52
method | result | size |
parallelrisch | \({\mathrm e}^{\frac {\left (-4-x \right ) \ln \left (x \right )^{3}+\left (25 x +100\right ) \ln \left (x \right )+x \,{\mathrm e}^{\ln \left (3\right )-1}}{\left (4+x \right ) \ln \left (x \right )}}\) | \(38\) |
risch | \({\mathrm e}^{\frac {-x \ln \left (x \right )^{3}-4 \ln \left (x \right )^{3}+25 x \ln \left (x \right )+3 \,{\mathrm e}^{-1} x +100 \ln \left (x \right )}{\left (4+x \right ) \ln \left (x \right )}}\) | \(40\) |
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Time = 0.26 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.44 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{\left (-\frac {{\left (x + 4\right )} \log \left (x\right )^{3} - x e^{\left (\log \left (3\right ) - 1\right )} - 25 \, {\left (x + 4\right )} \log \left (x\right )}{{\left (x + 4\right )} \log \left (x\right )}\right )} \]
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Time = 0.29 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.28 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{\frac {\frac {3 x}{e} + \left (- x - 4\right ) \log {\left (x \right )}^{3} + \left (25 x + 100\right ) \log {\left (x \right )}}{\left (x + 4\right ) \log {\left (x \right )}}} \]
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Time = 0.36 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.36 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{\left (-\log \left (x\right )^{2} + \frac {3 \, e^{\left (-1\right )}}{\log \left (x\right )} - \frac {12}{{\left (x e + 4 \, e\right )} \log \left (x\right )} + 25\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 86 vs. \(2 (25) = 50\).
Time = 0.51 (sec) , antiderivative size = 86, normalized size of antiderivative = 3.44 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=e^{\left (-\frac {x \log \left (x\right )^{3}}{x \log \left (x\right ) + 4 \, \log \left (x\right )} - \frac {4 \, \log \left (x\right )^{3}}{x \log \left (x\right ) + 4 \, \log \left (x\right )} + \frac {x e^{\left (\log \left (3\right ) - 1\right )}}{x \log \left (x\right ) + 4 \, \log \left (x\right )} + \frac {25 \, x \log \left (x\right )}{x \log \left (x\right ) + 4 \, \log \left (x\right )} + \frac {100 \, \log \left (x\right )}{x \log \left (x\right ) + 4 \, \log \left (x\right )}\right )} \]
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Time = 8.26 (sec) , antiderivative size = 53, normalized size of antiderivative = 2.12 \[ \int \frac {e^{\frac {\frac {3 x}{e}+(100+25 x) \log (x)+(-4-x) \log ^3(x)}{(4+x) \log (x)}} \left (\frac {3 \left (-4 x-x^2\right )}{e}+\frac {12 x \log (x)}{e}+\left (-32-16 x-2 x^2\right ) \log ^3(x)\right )}{\left (16 x+8 x^2+x^3\right ) \log ^2(x)} \, dx=x^{\frac {25}{\ln \left (x\right )}}\,{\mathrm {e}}^{-\frac {4\,{\ln \left (x\right )}^2}{x+4}}\,{\mathrm {e}}^{-\frac {x\,{\ln \left (x\right )}^2}{x+4}}\,{\mathrm {e}}^{\frac {3\,x}{4\,\mathrm {e}\,\ln \left (x\right )+x\,\mathrm {e}\,\ln \left (x\right )}} \]
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