Integrand size = 94, antiderivative size = 29 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {e^{-5+e^{\frac {2 e^3}{x}}+\frac {\log (2)}{1+x}}}{2 x} \]
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\[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-x-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )+x^2 (-2-\log (2))\right )}{2 x^3+4 x^4+2 x^5} \, dx \\ & = \int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-x-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )+x^2 (-2-\log (2))\right )}{x^3 \left (2+4 x+2 x^2\right )} \, dx \\ & = \int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-x-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )+x^2 (-2-\log (2))\right )}{2 x^3 (1+x)^2} \, dx \\ & = \frac {1}{2} \int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-x-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )+x^2 (-2-\log (2))\right )}{x^3 (1+x)^2} \, dx \\ & = \frac {1}{2} \int \left (-\frac {2 \exp \left (1+\frac {2 e^3}{x}+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right )}{x^3}+\frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-1-x^2-x (2+\log (2))\right )}{x^2 (1+x)^2}\right ) \, dx \\ & = \frac {1}{2} \int \frac {\exp \left (-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right ) \left (-1-x^2-x (2+\log (2))\right )}{x^2 (1+x)^2} \, dx-\int \frac {\exp \left (1+\frac {2 e^3}{x}+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right )}{x^3} \, dx \\ & = \frac {1}{2} \int \frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}} \left (-1-x^2-x (2+\log (2))\right )}{x^2 (1+x)^2} \, dx-\int \frac {\exp \left (1+\frac {2 e^3}{x}+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right )}{x^3} \, dx \\ & = \frac {1}{2} \int \left (-\frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{x^2}-\frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}} \log (2)}{x}+\frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}} \log (2)}{(1+x)^2}+\frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}} \log (2)}{1+x}\right ) \, dx-\int \frac {\exp \left (1+\frac {2 e^3}{x}+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right )}{x^3} \, dx \\ & = -\left (\frac {1}{2} \int \frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{x^2} \, dx\right )-\frac {1}{2} \log (2) \int \frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{x} \, dx+\frac {1}{2} \log (2) \int \frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{(1+x)^2} \, dx+\frac {1}{2} \log (2) \int \frac {2^{\frac {1}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{1+x} \, dx-\int \frac {\exp \left (1+\frac {2 e^3}{x}+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}\right )}{x^3} \, dx \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.97 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {2^{-\frac {x}{1+x}} e^{-5+e^{\frac {2 e^3}{x}}}}{x} \]
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Time = 2.22 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83
method | result | size |
risch | \(\frac {2^{\frac {1}{1+x}} {\mathrm e}^{-5+{\mathrm e}^{\frac {2 \,{\mathrm e}^{3}}{x}}}}{2 x}\) | \(24\) |
parallelrisch | \(\frac {{\mathrm e}^{-2} {\mathrm e}^{\frac {\left (1+x \right ) {\mathrm e}^{\frac {2 \,{\mathrm e}^{3}}{x}}+\ln \left (2\right )-3 x -3}{1+x}}}{2 x}\) | \(37\) |
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Time = 0.25 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.62 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {e^{\left (-\frac {{\left (5 \, {\left (x + 1\right )} e^{3} - {\left (x + 1\right )} e^{\left (\frac {3 \, x + 2 \, e^{3}}{x}\right )} - e^{3} \log \left (2\right )\right )} e^{\left (-3\right )}}{x + 1}\right )}}{2 \, x} \]
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Time = 0.18 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.07 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {e^{\frac {- 3 x + \left (x + 1\right ) e^{\frac {2 e^{3}}{x}} - 3 + \log {\left (2 \right )}}{x + 1}}}{2 x e^{2}} \]
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Time = 0.46 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {e^{\left (\frac {\log \left (2\right )}{x + 1} + e^{\left (\frac {2 \, e^{3}}{x}\right )} - 5\right )}}{2 \, x} \]
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\[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\int { -\frac {{\left (x^{3} + x^{2} \log \left (2\right ) + 2 \, x^{2} + 2 \, {\left (x^{2} + 2 \, x + 1\right )} e^{\left (\frac {2 \, e^{3}}{x} + 3\right )} + x\right )} e^{\left (\frac {{\left (x + 1\right )} e^{\left (\frac {2 \, e^{3}}{x}\right )} - 3 \, x + \log \left (2\right ) - 3}{x + 1} - 2\right )}}{2 \, {\left (x^{5} + 2 \, x^{4} + x^{3}\right )}} \,d x } \]
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Time = 13.86 (sec) , antiderivative size = 62, normalized size of antiderivative = 2.14 \[ \int \frac {e^{-2+\frac {-3-3 x+e^{\frac {2 e^3}{x}} (1+x)+\log (2)}{1+x}} \left (-x-2 x^2-x^3+e^{3+\frac {2 e^3}{x}} \left (-2-4 x-2 x^2\right )-x^2 \log (2)\right )}{2 x^3+4 x^4+2 x^5} \, dx=\frac {2^{\frac {1}{x+1}}\,{\mathrm {e}}^{-2}\,{\mathrm {e}}^{-\frac {3\,x}{x+1}}\,{\mathrm {e}}^{\frac {x\,{\mathrm {e}}^{\frac {2\,{\mathrm {e}}^3}{x}}}{x+1}}\,{\mathrm {e}}^{-\frac {3}{x+1}}\,{\mathrm {e}}^{\frac {{\mathrm {e}}^{\frac {2\,{\mathrm {e}}^3}{x}}}{x+1}}}{2\,x} \]
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