Integrand size = 41, antiderivative size = 15 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx=e^{-e^{\frac {1}{5+x}}} (-3+x) \]
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Time = 0.06 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.20, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.049, Rules used = {27, 2326} \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx=-e^{-e^{\frac {1}{x+5}}} (3-x) \]
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Rule 27
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{(5+x)^2} \, dx \\ & = -e^{-e^{\frac {1}{5+x}}} (3-x) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx=e^{-e^{\frac {1}{5+x}}} (-3+x) \]
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Time = 0.67 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93
method | result | size |
risch | \(\left (-3+x \right ) {\mathrm e}^{-{\mathrm e}^{\frac {1}{5+x}}}\) | \(14\) |
parallelrisch | \(-\frac {\left (900-300 x \right ) {\mathrm e}^{-{\mathrm e}^{\frac {1}{5+x}}}}{300}\) | \(17\) |
norman | \(\frac {\left (x^{2}+2 x -15\right ) {\mathrm e}^{-{\mathrm e}^{\frac {1}{5+x}}}}{5+x}\) | \(24\) |
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Time = 0.26 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx={\left (x - 3\right )} e^{\left (-e^{\left (\frac {1}{x + 5}\right )}\right )} \]
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Time = 2.42 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.67 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx=\left (x - 3\right ) e^{- e^{\frac {1}{x + 5}}} \]
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Time = 0.23 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx={\left (x - 3\right )} e^{\left (-e^{\left (\frac {1}{x + 5}\right )}\right )} \]
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Time = 0.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.53 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx=x e^{\left (-e^{\left (\frac {1}{x + 5}\right )}\right )} - 3 \, e^{\left (-e^{\left (\frac {1}{x + 5}\right )}\right )} \]
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Time = 8.88 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int \frac {e^{-e^{\frac {1}{5+x}}} \left (25+e^{\frac {1}{5+x}} (-3+x)+10 x+x^2\right )}{25+10 x+x^2} \, dx={\mathrm {e}}^{-{\mathrm {e}}^{\frac {1}{x+5}}}\,\left (x-3\right ) \]
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