Integrand size = 23, antiderivative size = 17 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{-3-e^5-6 x+2 x^2} \]
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Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.043, Rules used = {2268} \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{2 x^2-6 x-e^5-3} \]
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Rule 2268
Rubi steps \begin{align*} \text {integral}& = e^{-3-e^5-6 x+2 x^2} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{-3-e^5-6 x+2 x^2} \]
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Time = 0.08 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
risch | \({\mathrm e}^{-{\mathrm e}^{5}+2 x^{2}-6 x -3}\) | \(16\) |
gosper | \({\mathrm e}^{-{\mathrm e}^{5}+2 x^{2}-2 x -3} {\mathrm e}^{-4 x}\) | \(23\) |
norman | \({\mathrm e}^{-{\mathrm e}^{5}+2 x^{2}-2 x -3} {\mathrm e}^{-4 x}\) | \(23\) |
parallelrisch | \({\mathrm e}^{-{\mathrm e}^{5}+2 x^{2}-2 x -3} {\mathrm e}^{-4 x}\) | \(23\) |
default | \(\frac {3 i {\mathrm e}^{-{\mathrm e}^{5}} {\mathrm e}^{-3} \sqrt {\pi }\, {\mathrm e}^{-\frac {9}{2}} \sqrt {2}\, \operatorname {erf}\left (i \sqrt {2}\, x -\frac {3 i \sqrt {2}}{2}\right )}{2}+4 \,{\mathrm e}^{-{\mathrm e}^{5}} {\mathrm e}^{-3} \left (\frac {{\mathrm e}^{2 x^{2}-6 x}}{4}-\frac {3 i \sqrt {\pi }\, {\mathrm e}^{-\frac {9}{2}} \sqrt {2}\, \operatorname {erf}\left (i \sqrt {2}\, x -\frac {3 i \sqrt {2}}{2}\right )}{8}\right )\) | \(83\) |
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Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{\left (2 \, x^{2} - 6 \, x - e^{5} - 3\right )} \]
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Time = 0.09 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.12 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{- 4 x} e^{2 x^{2} - 2 x - e^{5} - 3} \]
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Time = 0.19 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{\left (2 \, x^{2} - 6 \, x - e^{5} - 3\right )} \]
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Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx=e^{\left (2 \, x^{2} - 6 \, x - e^{5} - 3\right )} \]
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Time = 9.42 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int e^{-3-e^5-6 x+2 x^2} (-6+4 x) \, dx={\mathrm {e}}^{-{\mathrm {e}}^5}\,{\mathrm {e}}^{-6\,x}\,{\mathrm {e}}^{-3}\,{\mathrm {e}}^{2\,x^2} \]
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