Integrand size = 69, antiderivative size = 24 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=\frac {1}{2} e^{\frac {1+e^3}{4+e^x-x}} \log (4) \]
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Time = 0.67 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {6820, 12, 6838} \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=\frac {1}{2} e^{\frac {1+e^3}{-x+e^x+4}} \log (4) \]
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Rule 12
Rule 6820
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (1+e^3\right ) \left (1-e^x\right ) \log (4)}{2 \left (4+e^x-x\right )^2} \, dx \\ & = \frac {1}{2} \left (\left (1+e^3\right ) \log (4)\right ) \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (1-e^x\right )}{\left (4+e^x-x\right )^2} \, dx \\ & = \frac {1}{2} e^{\frac {1+e^3}{4+e^x-x}} \log (4) \\ \end{align*}
Time = 0.37 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=\frac {1}{2} e^{\frac {1+e^3}{4+e^x-x}} \log (4) \]
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Time = 0.39 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79
method | result | size |
risch | \(\ln \left (2\right ) {\mathrm e}^{\frac {{\mathrm e}^{3}+1}{{\mathrm e}^{x}-x +4}}\) | \(19\) |
parallelrisch | \(\ln \left (2\right ) {\mathrm e}^{\frac {{\mathrm e}^{3}+1}{{\mathrm e}^{x}-x +4}}\) | \(19\) |
norman | \(\frac {x \ln \left (2\right ) {\mathrm e}^{\frac {{\mathrm e}^{3}+1}{{\mathrm e}^{x}-x +4}}-4 \ln \left (2\right ) {\mathrm e}^{\frac {{\mathrm e}^{3}+1}{{\mathrm e}^{x}-x +4}}-{\mathrm e}^{x} \ln \left (2\right ) {\mathrm e}^{\frac {{\mathrm e}^{3}+1}{{\mathrm e}^{x}-x +4}}}{x -{\mathrm e}^{x}-4}\) | \(71\) |
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Time = 0.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=e^{\left (-\frac {e^{3} + 1}{x - e^{x} - 4}\right )} \log \left (2\right ) \]
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Time = 0.20 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=e^{\frac {1 + e^{3}}{- x + e^{x} + 4}} \log {\left (2 \right )} \]
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Time = 0.35 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.21 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=e^{\left (-\frac {e^{3}}{x - e^{x} - 4} - \frac {1}{x - e^{x} - 4}\right )} \log \left (2\right ) \]
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\[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx=\int { -\frac {{\left ({\left (e^{3} + 1\right )} e^{x} \log \left (2\right ) - {\left (e^{3} + 1\right )} \log \left (2\right )\right )} e^{\left (-\frac {e^{3} + 1}{x - e^{x} - 4}\right )}}{x^{2} - 2 \, {\left (x - 4\right )} e^{x} - 8 \, x + e^{\left (2 \, x\right )} + 16} \,d x } \]
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Time = 12.59 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.75 \[ \int \frac {e^{\frac {1+e^3}{4+e^x-x}} \left (e^x \left (-1-e^3\right ) \log (4)+\left (1+e^3\right ) \log (4)\right )}{32+2 e^{2 x}+e^x (16-4 x)-16 x+2 x^2} \, dx={\mathrm {e}}^{\frac {{\mathrm {e}}^3+1}{{\mathrm {e}}^x-x+4}}\,\ln \left (2\right ) \]
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