Integrand size = 66, antiderivative size = 22 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=e^{e^{e^x \left (4+\frac {-1+e^4}{5 x}\right )}} \]
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\[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=\int \frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {1}{5} \int \frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \left (1+e^4 (-1+x)-x+20 x^2\right )}{x^2} \, dx \\ & = \frac {1}{5} \int \frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \left (1-e^4-\left (1-e^4\right ) x+20 x^2\right )}{x^2} \, dx \\ & = \frac {1}{5} \int \left (20 \exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right )+\frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \left (1-e^4\right )}{x^2}+\frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \left (-1+e^4\right )}{x}\right ) \, dx \\ & = 4 \int \exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right ) \, dx+\frac {1}{5} \left (1-e^4\right ) \int \frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right )}{x^2} \, dx+\frac {1}{5} \left (-1+e^4\right ) \int \frac {\exp \left (e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}\right )}{x} \, dx \\ \end{align*}
Time = 5.07 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}} \]
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Time = 5.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.77
method | result | size |
norman | \({\mathrm e}^{{\mathrm e}^{\frac {\left ({\mathrm e}^{4}+20 x -1\right ) {\mathrm e}^{x}}{5 x}}}\) | \(17\) |
risch | \({\mathrm e}^{{\mathrm e}^{\frac {\left ({\mathrm e}^{4}+20 x -1\right ) {\mathrm e}^{x}}{5 x}}}\) | \(17\) |
parallelrisch | \({\mathrm e}^{{\mathrm e}^{\frac {\left ({\mathrm e}^{4}+20 x -1\right ) {\mathrm e}^{x}}{5 x}}}\) | \(17\) |
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Leaf count of result is larger than twice the leaf count of optimal. 58 vs. \(2 (16) = 32\).
Time = 0.25 (sec) , antiderivative size = 58, normalized size of antiderivative = 2.64 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=e^{\left (-x - \frac {{\left (20 \, x + e^{4} - 1\right )} e^{x}}{5 \, x} + \frac {5 \, x^{2} + {\left (20 \, x + e^{4} - 1\right )} e^{x} + 5 \, x e^{\left (\frac {{\left (20 \, x + e^{4} - 1\right )} e^{x}}{5 \, x}\right )}}{5 \, x}\right )} \]
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Time = 0.73 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=e^{e^{\frac {\left (4 x - \frac {1}{5} + \frac {e^{4}}{5}\right ) e^{x}}{x}}} \]
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none
Time = 0.56 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=e^{\left (e^{\left (\frac {e^{\left (x + 4\right )}}{5 \, x} - \frac {e^{x}}{5 \, x} + 4 \, e^{x}\right )}\right )} \]
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\[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx=\int { \frac {{\left (20 \, x^{2} + {\left (x - 1\right )} e^{4} - x + 1\right )} e^{\left (x + \frac {{\left (20 \, x + e^{4} - 1\right )} e^{x}}{5 \, x} + e^{\left (\frac {{\left (20 \, x + e^{4} - 1\right )} e^{x}}{5 \, x}\right )}\right )}}{5 \, x^{2}} \,d x } \]
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Time = 19.07 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14 \[ \int \frac {e^{e^{\frac {e^x \left (-1+e^4+20 x\right )}{5 x}}+x+\frac {e^x \left (-1+e^4+20 x\right )}{5 x}} \left (1+e^4 (-1+x)-x+20 x^2\right )}{5 x^2} \, dx={\mathrm {e}}^{{\mathrm {e}}^{-\frac {{\mathrm {e}}^x}{5\,x}}\,{\mathrm {e}}^{4\,{\mathrm {e}}^x}\,{\mathrm {e}}^{\frac {{\mathrm {e}}^4\,{\mathrm {e}}^x}{5\,x}}} \]
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