Integrand size = 16, antiderivative size = 24 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=e^2-2 x+\frac {-1-3 x+x (-x+\log (2))}{e^3} \]
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Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.96, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {9} \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=-\frac {\left (2 x+2 e^3+3-\log (2)\right )^2}{4 e^3} \]
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Rule 9
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (3+2 e^3+2 x-\log (2)\right )^2}{4 e^3} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.96 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=\frac {-3 x-2 e^3 x-x^2+x \log (2)}{e^3} \]
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Time = 0.04 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79
method | result | size |
gosper | \(-x \left (x +2 \,{\mathrm e}^{3}-\ln \left (2\right )+3\right ) {\mathrm e}^{-3}\) | \(19\) |
parallelrisch | \({\mathrm e}^{-3} \left (-x^{2}+\left (-2 \,{\mathrm e}^{3}+\ln \left (2\right )-3\right ) x \right )\) | \(22\) |
risch | \({\mathrm e}^{-3} x \ln \left (2\right )-2 x -x^{2} {\mathrm e}^{-3}-3 x \,{\mathrm e}^{-3}\) | \(23\) |
default | \({\mathrm e}^{-3} \left (x \ln \left (2\right )-2 x \,{\mathrm e}^{3}-x^{2}-3 x \right )\) | \(24\) |
norman | \(-x^{2} {\mathrm e}^{-3}-{\mathrm e}^{-3} \left (2 \,{\mathrm e}^{3}-\ln \left (2\right )+3\right ) x\) | \(28\) |
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none
Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.88 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=-{\left (x^{2} + 2 \, x e^{3} - x \log \left (2\right ) + 3 \, x\right )} e^{\left (-3\right )} \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.83 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=- \frac {x^{2}}{e^{3}} + \frac {x \left (- 2 e^{3} - 3 + \log {\left (2 \right )}\right )}{e^{3}} \]
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none
Time = 0.19 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.88 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=-{\left (x^{2} + 2 \, x e^{3} - x \log \left (2\right ) + 3 \, x\right )} e^{\left (-3\right )} \]
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none
Time = 0.28 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.88 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=-{\left (x^{2} + 2 \, x e^{3} - x \log \left (2\right ) + 3 \, x\right )} e^{\left (-3\right )} \]
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Time = 12.80 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79 \[ \int \frac {-3-2 e^3-2 x+\log (2)}{e^3} \, dx=-\frac {{\mathrm {e}}^{-3}\,{\left (2\,x+2\,{\mathrm {e}}^3-\ln \left (2\right )+3\right )}^2}{4} \]
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