Integrand size = 27, antiderivative size = 23 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=5+x-e^{-x} x+\frac {2}{3} e^{-x} x \log (3) \]
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Time = 0.05 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.61, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.148, Rules used = {12, 6820, 2207, 2225} \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=x+\frac {1}{3} e^{-x} (1-x) (3-\log (9))-\frac {1}{3} e^{-x} (3-\log (9)) \]
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Rule 12
Rule 2207
Rule 2225
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \int e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx \\ & = \frac {1}{3} \int \left (3-e^{-x} (-1+x) (-3+\log (9))\right ) \, dx \\ & = x+\frac {1}{3} (3-\log (9)) \int e^{-x} (-1+x) \, dx \\ & = x+\frac {1}{3} e^{-x} (1-x) (3-\log (9))+\frac {1}{3} (3-\log (9)) \int e^{-x} \, dx \\ & = x-\frac {1}{3} e^{-x} (3-\log (9))+\frac {1}{3} e^{-x} (1-x) (3-\log (9)) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=x+\frac {1}{3} e^{-x} x (-3+\log (9)) \]
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Time = 0.04 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70
method | result | size |
risch | \(x +\frac {\left (2 \ln \left (3\right )-3\right ) x \,{\mathrm e}^{-x}}{3}\) | \(16\) |
norman | \(\left (\left (\frac {2 \ln \left (3\right )}{3}-1\right ) x +{\mathrm e}^{x} x \right ) {\mathrm e}^{-x}\) | \(19\) |
parts | \(x +\frac {2 x \,{\mathrm e}^{-x} \ln \left (3\right )}{3}-x \,{\mathrm e}^{-x}\) | \(19\) |
parallelrisch | \(\frac {\left (2 x \ln \left (3\right )+3 \,{\mathrm e}^{x} x -3 x \right ) {\mathrm e}^{-x}}{3}\) | \(21\) |
default | \(x -x \,{\mathrm e}^{-x}-\frac {2 \,{\mathrm e}^{-x} \ln \left (3\right )}{3}-\frac {2 \ln \left (3\right ) \left (-x \,{\mathrm e}^{-x}-{\mathrm e}^{-x}\right )}{3}\) | \(36\) |
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Time = 0.31 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=\frac {1}{3} \, {\left (3 \, x e^{x} + 2 \, x \log \left (3\right ) - 3 \, x\right )} e^{\left (-x\right )} \]
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Time = 0.07 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.65 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=x + \frac {\left (- 3 x + 2 x \log {\left (3 \right )}\right ) e^{- x}}{3} \]
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Time = 0.22 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.48 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=\frac {2}{3} \, {\left (x + 1\right )} e^{\left (-x\right )} \log \left (3\right ) - {\left (x + 1\right )} e^{\left (-x\right )} - \frac {2}{3} \, e^{\left (-x\right )} \log \left (3\right ) + x + e^{\left (-x\right )} \]
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Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=\frac {1}{3} \, {\left (2 \, x \log \left (3\right ) - 3 \, x\right )} e^{\left (-x\right )} + x \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {1}{3} e^{-x} \left (-3+3 e^x+3 x+(2-2 x) \log (3)\right ) \, dx=\frac {x\,\left (2\,{\mathrm {e}}^{-x}\,\ln \left (3\right )-3\,{\mathrm {e}}^{-x}+3\right )}{3} \]
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