Integrand size = 11, antiderivative size = 11 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=5-e^{2 x/3} \]
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Time = 0.00 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {12, 2225} \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-e^{2 x/3} \]
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Rule 12
Rule 2225
Rubi steps \begin{align*} \text {integral}& = -\left (\frac {2}{3} \int e^{2 x/3} \, dx\right ) \\ & = -e^{2 x/3} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-e^{2 x/3} \]
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Time = 0.02 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.64
method | result | size |
gosper | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
derivativedivides | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
default | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
norman | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
risch | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
parallelrisch | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
parts | \(-{\mathrm e}^{\frac {2 x}{3}}\) | \(7\) |
meijerg | \(1-{\mathrm e}^{\frac {2 x}{3}}\) | \(9\) |
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none
Time = 0.23 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.55 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-e^{\left (\frac {2}{3} \, x\right )} \]
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Time = 0.03 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.64 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=- e^{\frac {2 x}{3}} \]
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none
Time = 0.17 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.55 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-e^{\left (\frac {2}{3} \, x\right )} \]
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none
Time = 0.26 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.55 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-e^{\left (\frac {2}{3} \, x\right )} \]
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Time = 0.03 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.55 \[ \int -\frac {2}{3} e^{2 x/3} \, dx=-{\mathrm {e}}^{\frac {2\,x}{3}} \]
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