Integrand size = 105, antiderivative size = 28 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\frac {x}{-e^{3+e^x-x+x^2}+x^2}+\log (2 x) \]
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\[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2 x} \left (e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )\right )}{x \left (e^{3+e^x+x^2}-e^x x^2\right )^2} \, dx \\ & = \int \left (\frac {1}{x}+\frac {e^{2 x} x^2 \left (-2-x+e^x x+2 x^2\right )}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2}-\frac {e^x \left (-1-x+e^x x+2 x^2\right )}{-e^{3+e^x+x^2}+e^x x^2}\right ) \, dx \\ & = \log (x)+\int \frac {e^{2 x} x^2 \left (-2-x+e^x x+2 x^2\right )}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2} \, dx-\int \frac {e^x \left (-1-x+e^x x+2 x^2\right )}{-e^{3+e^x+x^2}+e^x x^2} \, dx \\ & = \log (x)+\int \left (-\frac {2 e^{2 x} x^2}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2}-\frac {e^{2 x} x^3}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2}+\frac {e^{3 x} x^3}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2}+\frac {2 e^{2 x} x^4}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2}\right ) \, dx-\int \left (\frac {e^x}{e^{3+e^x+x^2}-e^x x^2}-\frac {e^x x}{-e^{3+e^x+x^2}+e^x x^2}+\frac {e^{2 x} x}{-e^{3+e^x+x^2}+e^x x^2}+\frac {2 e^x x^2}{-e^{3+e^x+x^2}+e^x x^2}\right ) \, dx \\ & = \log (x)-2 \int \frac {e^{2 x} x^2}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2} \, dx+2 \int \frac {e^{2 x} x^4}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2} \, dx-2 \int \frac {e^x x^2}{-e^{3+e^x+x^2}+e^x x^2} \, dx-\int \frac {e^x}{e^{3+e^x+x^2}-e^x x^2} \, dx-\int \frac {e^{2 x} x^3}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2} \, dx+\int \frac {e^{3 x} x^3}{\left (-e^{3+e^x+x^2}+e^x x^2\right )^2} \, dx+\int \frac {e^x x}{-e^{3+e^x+x^2}+e^x x^2} \, dx-\int \frac {e^{2 x} x}{-e^{3+e^x+x^2}+e^x x^2} \, dx \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=-\frac {e^x x}{e^{3+e^x+x^2}-e^x x^2}+\log (x) \]
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Time = 0.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.89
method | result | size |
risch | \(\ln \left (x \right )+\frac {x}{x^{2}-{\mathrm e}^{{\mathrm e}^{x}+x^{2}-x +3}}\) | \(25\) |
parallelrisch | \(\frac {x^{2} \ln \left (x \right )-{\mathrm e}^{{\mathrm e}^{x}+x^{2}-x +3} \ln \left (x \right )+x}{x^{2}-{\mathrm e}^{{\mathrm e}^{x}+x^{2}-x +3}}\) | \(44\) |
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Time = 0.24 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.54 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\frac {x^{2} \log \left (x\right ) - e^{\left (x^{2} - x + e^{x} + 3\right )} \log \left (x\right ) + x}{x^{2} - e^{\left (x^{2} - x + e^{x} + 3\right )}} \]
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Time = 0.09 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.68 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=- \frac {x}{- x^{2} + e^{x^{2} - x + e^{x} + 3}} + \log {\left (x \right )} \]
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Time = 0.24 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\frac {x e^{x}}{x^{2} e^{x} - e^{\left (x^{2} + e^{x} + 3\right )}} + \log \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 410 vs. \(2 (26) = 52\).
Time = 0.31 (sec) , antiderivative size = 410, normalized size of antiderivative = 14.64 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\frac {2 \, x^{6} e^{x} \log \left (x\right ) + x^{5} e^{\left (2 \, x\right )} \log \left (x\right ) - x^{5} e^{x} \log \left (x\right ) + 2 \, x^{5} e^{x} - 4 \, x^{4} e^{\left (x^{2} + e^{x} + 3\right )} \log \left (x\right ) - 2 \, x^{4} e^{x} \log \left (x\right ) + x^{4} e^{\left (2 \, x\right )} - x^{4} e^{x} - 2 \, x^{3} e^{\left (x^{2} + x + e^{x} + 3\right )} \log \left (x\right ) + 2 \, x^{3} e^{\left (x^{2} + e^{x} + 3\right )} \log \left (x\right ) - 2 \, x^{3} e^{\left (x^{2} + e^{x} + 3\right )} - 2 \, x^{3} e^{x} + 2 \, x^{2} e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )} \log \left (x\right ) + 4 \, x^{2} e^{\left (x^{2} + e^{x} + 3\right )} \log \left (x\right ) - x^{2} e^{\left (x^{2} + x + e^{x} + 3\right )} + x^{2} e^{\left (x^{2} + e^{x} + 3\right )} - x e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )} \log \left (x\right ) + x e^{\left (2 \, x^{2} + 2 \, e^{x} + 6\right )} \log \left (x\right ) + 2 \, x e^{\left (x^{2} + e^{x} + 3\right )} - 2 \, e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )} \log \left (x\right )}{2 \, x^{6} e^{x} + x^{5} e^{\left (2 \, x\right )} - x^{5} e^{x} - 4 \, x^{4} e^{\left (x^{2} + e^{x} + 3\right )} - 2 \, x^{4} e^{x} - 2 \, x^{3} e^{\left (x^{2} + x + e^{x} + 3\right )} + 2 \, x^{3} e^{\left (x^{2} + e^{x} + 3\right )} + 2 \, x^{2} e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )} + 4 \, x^{2} e^{\left (x^{2} + e^{x} + 3\right )} - x e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )} + x e^{\left (2 \, x^{2} + 2 \, e^{x} + 6\right )} - 2 \, e^{\left (2 \, x^{2} - x + 2 \, e^{x} + 6\right )}} \]
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Time = 9.40 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93 \[ \int \frac {e^{6+2 e^x-2 x+2 x^2}-x^3+x^4+e^{3+e^x-x+x^2} \left (-x-3 x^2+e^x x^2+2 x^3\right )}{e^{6+2 e^x-2 x+2 x^2} x-2 e^{3+e^x-x+x^2} x^3+x^5} \, dx=\ln \left (x\right )+\frac {x}{x^2-{\mathrm {e}}^{-x}\,{\mathrm {e}}^{x^2}\,{\mathrm {e}}^{{\mathrm {e}}^x}\,{\mathrm {e}}^3} \]
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