Integrand size = 46, antiderivative size = 23 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{1+e^{1+x}-x+\frac {x^4}{9}}}{x^4} \]
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Leaf count is larger than twice the leaf count of optimal. \(58\) vs. \(2(23)=46\).
Time = 0.14 (sec) , antiderivative size = 58, normalized size of antiderivative = 2.52, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {12, 2326} \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{\frac {1}{9} \left (x^4-9 x+9 e^{x+1}+9\right )} \left (-4 x^4-9 e^{x+1} x+9 x\right )}{x^5 \left (-4 x^3-9 e^{x+1}+9\right )} \]
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Rule 12
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {1}{9} \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{x^5} \, dx \\ & = \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (9 x-9 e^{1+x} x-4 x^4\right )}{x^5 \left (9-9 e^{1+x}-4 x^3\right )} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{1+e^{1+x}-x+\frac {x^4}{9}}}{x^4} \]
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Time = 0.38 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
risch | \(\frac {{\mathrm e}^{{\mathrm e}^{1+x}+\frac {x^{4}}{9}-x +1}}{x^{4}}\) | \(20\) |
norman | \(\frac {{\mathrm e}^{{\mathrm e} \,{\mathrm e}^{x}+\frac {x^{4}}{9}-x +1}}{x^{4}}\) | \(21\) |
parallelrisch | \(\frac {{\mathrm e}^{{\mathrm e} \,{\mathrm e}^{x}+\frac {x^{4}}{9}-x +1}}{x^{4}}\) | \(21\) |
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Time = 0.38 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{\left (\frac {1}{9} \, x^{4} - x + e^{\left (x + 1\right )} + 1\right )}}{x^{4}} \]
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Time = 0.09 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{\frac {x^{4}}{9} - x + e e^{x} + 1}}{x^{4}} \]
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Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {e^{\left (\frac {1}{9} \, x^{4} - x + e^{\left (x + 1\right )} + 1\right )}}{x^{4}} \]
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\[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\int { \frac {{\left (4 \, x^{4} + 9 \, x e^{\left (x + 1\right )} - 9 \, x - 36\right )} e^{\left (\frac {1}{9} \, x^{4} - x + e^{\left (x + 1\right )} + 1\right )}}{9 \, x^{5}} \,d x } \]
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Time = 11.40 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {e^{\frac {1}{9} \left (9+9 e^{1+x}-9 x+x^4\right )} \left (-36-9 x+9 e^{1+x} x+4 x^4\right )}{9 x^5} \, dx=\frac {{\mathrm {e}}^{\mathrm {e}\,{\mathrm {e}}^x}\,{\mathrm {e}}^{-x}\,\mathrm {e}\,{\mathrm {e}}^{\frac {x^4}{9}}}{x^4} \]
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