Integrand size = 38, antiderivative size = 31 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 e^{-9+\frac {2}{x}-x-\frac {x+\log (x)}{x}}-x}{x} \]
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Leaf count is larger than twice the leaf count of optimal. \(69\) vs. \(2(31)=62\).
Time = 0.07 (sec) , antiderivative size = 69, normalized size of antiderivative = 2.23, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.026, Rules used = {2326} \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 e^{\frac {-x^2-10 x+2}{x}} x^{-\frac {1}{x}-3} \left (x^2-\log (x)+3\right )}{\frac {-x^2-10 x-\log (x)+2}{x^2}+\frac {2 x+\frac {1}{x}+10}{x}} \]
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Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {4 e^{\frac {2-10 x-x^2}{x}} x^{-3-\frac {1}{x}} \left (3+x^2-\log (x)\right )}{\frac {10+\frac {1}{x}+2 x}{x}+\frac {2-10 x-x^2-\log (x)}{x^2}} \\ \end{align*}
Time = 0.24 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.74 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=4 e^{-10+\frac {2}{x}-x} x^{-1-\frac {1}{x}} \]
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Time = 0.07 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.71
method | result | size |
risch | \(\frac {4 \,{\mathrm e}^{-\frac {x^{2}+\ln \left (x \right )+10 x -2}{x}}}{x}\) | \(22\) |
parallelrisch | \(\frac {4 \,{\mathrm e}^{-\frac {x^{2}+\ln \left (x \right )+10 x -2}{x}}}{x}\) | \(22\) |
norman | \(\frac {4 \,{\mathrm e}^{\frac {-\ln \left (x \right )-x^{2}-10 x +2}{x}}}{x}\) | \(25\) |
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Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.68 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 \, e^{\left (-\frac {x^{2} + 10 \, x + \log \left (x\right ) - 2}{x}\right )}}{x} \]
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Time = 0.08 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.55 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 e^{\frac {- x^{2} - 10 x - \log {\left (x \right )} + 2}{x}}}{x} \]
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Time = 0.26 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.74 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 \, e^{\left (-x - \frac {\log \left (x\right )}{x} + \frac {2}{x} - 10\right )}}{x} \]
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Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.68 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4 \, e^{\left (-\frac {x^{2} + 10 \, x + \log \left (x\right ) - 2}{x}\right )}}{x} \]
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Time = 12.40 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.74 \[ \int \frac {e^{\frac {2-10 x-x^2-\log (x)}{x}} \left (-12-4 x-4 x^2+4 \log (x)\right )}{x^3} \, dx=\frac {4\,{\mathrm {e}}^{-x}\,{\mathrm {e}}^{-10}\,{\mathrm {e}}^{2/x}}{x^{\frac {1}{x}+1}} \]
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