Integrand size = 15, antiderivative size = 14 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=\frac {1}{e^3}-e^{-5 x/4}+x \]
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Time = 0.00 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {12, 2225} \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x-e^{-5 x/4} \]
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Rule 12
Rule 2225
Rubi steps \begin{align*} \text {integral}& = \frac {1}{4} \int \left (4+5 e^{-5 x/4}\right ) \, dx \\ & = x+\frac {5}{4} \int e^{-5 x/4} \, dx \\ & = -e^{-5 x/4}+x \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=-e^{-5 x/4}+x \]
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Time = 0.09 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.64
method | result | size |
default | \(x -{\mathrm e}^{-\frac {5 x}{4}}\) | \(9\) |
norman | \(x -{\mathrm e}^{-\frac {5 x}{4}}\) | \(9\) |
risch | \(x -{\mathrm e}^{-\frac {5 x}{4}}\) | \(9\) |
parallelrisch | \(x -{\mathrm e}^{-\frac {5 x}{4}}\) | \(9\) |
parts | \(x -{\mathrm e}^{-\frac {5 x}{4}}\) | \(9\) |
derivativedivides | \(-{\mathrm e}^{-\frac {5 x}{4}}-\frac {4 \ln \left ({\mathrm e}^{-\frac {5 x}{4}}\right )}{5}\) | \(15\) |
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Time = 0.28 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x - e^{\left (-\frac {5}{4} \, x\right )} \]
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Time = 0.05 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x - e^{- \frac {5 x}{4}} \]
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none
Time = 0.18 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x - e^{\left (-\frac {5}{4} \, x\right )} \]
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Time = 0.29 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x - e^{\left (-\frac {5}{4} \, x\right )} \]
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Time = 0.06 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.57 \[ \int \frac {1}{4} \left (4+5 e^{-5 x/4}\right ) \, dx=x-{\mathrm {e}}^{-\frac {5\,x}{4}} \]
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