Integrand size = 75, antiderivative size = 23 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {1}{2+e^{e^{2+\frac {e^2}{3}} (259-x)}} \]
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Time = 0.20 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.48, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.040, Rules used = {2320, 12, 32} \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {1}{e^{259 e^{2+\frac {e^2}{3}}-e^{2+\frac {e^2}{3}} x}+2} \]
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Rule 12
Rule 32
Rule 2320
Rubi steps \begin{align*} \text {integral}& = -\left (e^{-2-\frac {e^2}{3}} \text {Subst}\left (\int \frac {e^{2+\frac {e^2}{3}+259 e^{2+\frac {e^2}{3}}}}{\left (2+e^{259 e^{2+\frac {e^2}{3}}} x\right )^2} \, dx,x,e^{-e^{\frac {1}{3} \left (6+e^2\right )} x}\right )\right ) \\ & = -\left (e^{259 e^{2+\frac {e^2}{3}}} \text {Subst}\left (\int \frac {1}{\left (2+e^{259 e^{2+\frac {e^2}{3}}} x\right )^2} \, dx,x,e^{-e^{\frac {1}{3} \left (6+e^2\right )} x}\right )\right ) \\ & = \frac {1}{2+e^{259 e^{2+\frac {e^2}{3}}-e^{2+\frac {e^2}{3}} x}} \\ \end{align*}
Time = 0.39 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=-\frac {1}{2 \left (1+2 e^{e^{2+\frac {e^2}{3}} (-259+x)}\right )} \]
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Time = 0.41 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.78
method | result | size |
risch | \(\frac {1}{{\mathrm e}^{-\left (x -259\right ) {\mathrm e}^{\frac {{\mathrm e}^{2}}{3}+2}}+2}\) | \(18\) |
derivativedivides | \(\frac {1}{{\mathrm e}^{\left (-x +259\right ) {\mathrm e}^{\frac {{\mathrm e}^{2}}{3}+2}}+2}\) | \(19\) |
default | \(\frac {1}{{\mathrm e}^{\left (-x +259\right ) {\mathrm e}^{\frac {{\mathrm e}^{2}}{3}+2}}+2}\) | \(19\) |
norman | \(\frac {1}{{\mathrm e}^{\left (-x +259\right ) {\mathrm e}^{\frac {{\mathrm e}^{2}}{3}+2}}+2}\) | \(19\) |
parallelrisch | \(\frac {1}{{\mathrm e}^{\left (-x +259\right ) {\mathrm e}^{\frac {{\mathrm e}^{2}}{3}+2}}+2}\) | \(19\) |
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Leaf count of result is larger than twice the leaf count of optimal. 39 vs. \(2 (17) = 34\).
Time = 0.25 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.70 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {e^{\left (\frac {1}{3} \, e^{2} + 2\right )}}{e^{\left (-{\left (x - 259\right )} e^{\left (\frac {1}{3} \, e^{2} + 2\right )} + \frac {1}{3} \, e^{2} + 2\right )} + 2 \, e^{\left (\frac {1}{3} \, e^{2} + 2\right )}} \]
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Time = 0.07 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.65 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {1}{e^{\left (259 - x\right ) e^{2 + \frac {e^{2}}{3}}} + 2} \]
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none
Time = 0.20 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {1}{e^{\left (-x e^{\left (\frac {1}{3} \, e^{2} + 2\right )} + 259 \, e^{\left (\frac {1}{3} \, e^{2} + 2\right )}\right )} + 2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 46 vs. \(2 (17) = 34\).
Time = 0.28 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.00 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=\frac {e^{\left (\frac {1}{3} \, e^{2} + 2\right )}}{e^{\left (-x e^{\left (\frac {1}{3} \, e^{2} + 2\right )} + \frac {1}{3} \, e^{2} + 259 \, e^{\left (\frac {1}{3} \, e^{2} + 2\right )} + 2\right )} + 2 \, e^{\left (\frac {1}{3} \, e^{2} + 2\right )}} \]
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Time = 16.84 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {e^{\frac {1}{3} \left (6+e^2\right )+e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}}{4+4 e^{e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}+e^{2 e^{\frac {1}{3} \left (6+e^2\right )} (259-x)}} \, dx=-\frac {1}{2\,\left (2\,{\mathrm {e}}^{{\mathrm {e}}^{\frac {{\mathrm {e}}^2}{3}}\,{\mathrm {e}}^2\,\left (x-259\right )}+1\right )} \]
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