Integrand size = 149, antiderivative size = 31 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=e^{\frac {\log ^2(x)}{x \left (4-x+2 x \left (-\frac {3 e^{4+x}}{4}+x\right )\right )}} \]
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\[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=\int \frac {\exp \left (-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}\right ) \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {2 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x) \left (16-2 \left (2+3 e^{4+x}\right ) x+8 x^2+\left (-8+\left (4+6 e^{4+x}\right ) x+3 \left (-4+e^{4+x}\right ) x^2\right ) \log (x)\right )}{x^2 \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )^2} \, dx \\ & = 2 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x) \left (16-2 \left (2+3 e^{4+x}\right ) x+8 x^2+\left (-8+\left (4+6 e^{4+x}\right ) x+3 \left (-4+e^{4+x}\right ) x^2\right ) \log (x)\right )}{x^2 \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )^2} \, dx \\ & = 2 \int \left (\frac {2 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \left (4+4 x-3 x^2+2 x^3\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2}-\frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x) (-2+2 \log (x)+x \log (x))}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )}\right ) \, dx \\ & = -\left (2 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x) (-2+2 \log (x)+x \log (x))}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )} \, dx\right )+4 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \left (4+4 x-3 x^2+2 x^3\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2} \, dx \\ & = -\left (2 \int \left (-\frac {2 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )}+\frac {2 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )}+\frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x \left (8-2 x-3 e^{4+x} x+4 x^2\right )}\right ) \, dx\right )+4 \int \left (-\frac {3 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{\left (8-2 x-3 e^{4+x} x+4 x^2\right )^2}+\frac {4 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2}+\frac {4 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2}+\frac {2 \exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) x \log ^2(x)}{\left (8-2 x-3 e^{4+x} x+4 x^2\right )^2}\right ) \, dx \\ & = -\left (2 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x \left (8-2 x-3 e^{4+x} x+4 x^2\right )} \, dx\right )+4 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log (x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )} \, dx-4 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )} \, dx+8 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) x \log ^2(x)}{\left (8-2 x-3 e^{4+x} x+4 x^2\right )^2} \, dx-12 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{\left (8-2 x-3 e^{4+x} x+4 x^2\right )^2} \, dx+16 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x^2 \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2} \, dx+16 \int \frac {\exp \left (\frac {2 \log ^2(x)}{x \left (8-\left (2+3 e^{4+x}\right ) x+4 x^2\right )}\right ) \log ^2(x)}{x \left (8-2 x-3 e^{4+x} x+4 x^2\right )^2} \, dx \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=e^{\frac {2 \log ^2(x)}{x \left (8-2 x-3 e^{4+x} x+4 x^2\right )}} \]
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Time = 133.61 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.97
method | result | size |
risch | \({\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{x \left (-3 x \,{\mathrm e}^{4+x}+4 x^{2}-2 x +8\right )}}\) | \(30\) |
parallelrisch | \({\mathrm e}^{-\frac {2 \ln \left (x \right )^{2}}{x \left (3 x \,{\mathrm e}^{4+x}-4 x^{2}+2 x -8\right )}}\) | \(30\) |
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Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=e^{\left (\frac {2 \, \log \left (x\right )^{2}}{4 \, x^{3} - 3 \, x^{2} e^{\left (x + 4\right )} - 2 \, x^{2} + 8 \, x}\right )} \]
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Time = 1.47 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=e^{- \frac {2 \log {\left (x \right )}^{2}}{- 4 x^{3} + 3 x^{2} e^{x + 4} + 2 x^{2} - 8 x}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 91 vs. \(2 (29) = 58\).
Time = 0.50 (sec) , antiderivative size = 91, normalized size of antiderivative = 2.94 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=e^{\left (-\frac {x \log \left (x\right )^{2}}{4 \, x^{2} - 3 \, x e^{\left (x + 4\right )} - 2 \, x + 8} + \frac {3 \, e^{\left (x + 4\right )} \log \left (x\right )^{2}}{4 \, {\left (4 \, x^{2} - 3 \, x e^{\left (x + 4\right )} - 2 \, x + 8\right )}} + \frac {\log \left (x\right )^{2}}{2 \, {\left (4 \, x^{2} - 3 \, x e^{\left (x + 4\right )} - 2 \, x + 8\right )}} + \frac {\log \left (x\right )^{2}}{4 \, x}\right )} \]
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Exception generated. \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx=\text {Exception raised: RuntimeError} \]
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Time = 12.36 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.03 \[ \int \frac {e^{-\frac {2 \log ^2(x)}{-8 x+2 x^2+3 e^{4+x} x^2-4 x^3}} \left (\left (32-8 x-12 e^{4+x} x+16 x^2\right ) \log (x)+\left (-16+8 x-24 x^2+e^{4+x} \left (12 x+6 x^2\right )\right ) \log ^2(x)\right )}{64 x^2-32 x^3+68 x^4+9 e^{8+2 x} x^4-16 x^5+16 x^6+e^{4+x} \left (-48 x^3+12 x^4-24 x^5\right )} \, dx={\mathrm {e}}^{\frac {2\,{\ln \left (x\right )}^2}{8\,x-2\,x^2+4\,x^3-3\,x^2\,{\mathrm {e}}^4\,{\mathrm {e}}^x}} \]
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