Integrand size = 69, antiderivative size = 18 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\frac {1}{x}+16 \log ^4\left (-2+e^x+x+x^2\right ) \]
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\[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {64 \left (-3-x+x^2\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2}+\frac {-1+64 x^2 \log ^3\left (-2+e^x+x+x^2\right )}{x^2}\right ) \, dx \\ & = -\left (64 \int \frac {\left (-3-x+x^2\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2} \, dx\right )+\int \frac {-1+64 x^2 \log ^3\left (-2+e^x+x+x^2\right )}{x^2} \, dx \\ & = -\left (64 \int \left (-\frac {3 \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2}-\frac {x \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2}+\frac {x^2 \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2}\right ) \, dx\right )+\int \left (-\frac {1}{x^2}+64 \log ^3\left (-2+e^x+x+x^2\right )\right ) \, dx \\ & = \frac {1}{x}+64 \int \log ^3\left (-2+e^x+x+x^2\right ) \, dx+64 \int \frac {x \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2} \, dx-64 \int \frac {x^2 \log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2} \, dx+192 \int \frac {\log ^3\left (-2+e^x+x+x^2\right )}{-2+e^x+x+x^2} \, dx \\ \end{align*}
Time = 0.36 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\frac {1}{x}+16 \log ^4\left (-2+e^x+x+x^2\right ) \]
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Time = 0.21 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00
method | result | size |
risch | \(16 \ln \left ({\mathrm e}^{x}+x^{2}+x -2\right )^{4}+\frac {1}{x}\) | \(18\) |
parallelrisch | \(-\frac {-32 \ln \left ({\mathrm e}^{x}+x^{2}+x -2\right )^{4} x -2+2 x}{2 x}\) | \(25\) |
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Time = 0.25 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\frac {16 \, x \log \left (x^{2} + x + e^{x} - 2\right )^{4} + 1}{x} \]
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Time = 0.11 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=16 \log {\left (x^{2} + x + e^{x} - 2 \right )}^{4} + \frac {1}{x} \]
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Time = 0.26 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\frac {16 \, x \log \left (x^{2} + x + e^{x} - 2\right )^{4} + 1}{x} \]
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\[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=\int { \frac {64 \, {\left (2 \, x^{3} + x^{2} e^{x} + x^{2}\right )} \log \left (x^{2} + x + e^{x} - 2\right )^{3} - x^{2} - x - e^{x} + 2}{x^{4} + x^{3} + x^{2} e^{x} - 2 \, x^{2}} \,d x } \]
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Time = 0.16 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {2-e^x-x-x^2+\left (64 x^2+64 e^x x^2+128 x^3\right ) \log ^3\left (-2+e^x+x+x^2\right )}{-2 x^2+e^x x^2+x^3+x^4} \, dx=16\,{\ln \left (x+{\mathrm {e}}^x+x^2-2\right )}^4+\frac {1}{x} \]
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