Integrand size = 7, antiderivative size = 11 \[ \int \left (4-2 e^x\right ) \, dx=1-2 \left (e^x-2 x\right ) \]
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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 = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2225} \[ \int \left (4-2 e^x\right ) \, dx=4 x-2 e^x \]
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Rule 2225
Rubi steps \begin{align*} \text {integral}& = 4 x-2 \int e^x \, dx \\ & = -2 e^x+4 x \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82 \[ \int \left (4-2 e^x\right ) \, dx=-2 e^x+4 x \]
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Time = 0.03 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82
method | result | size |
default | \(4 x -2 \,{\mathrm e}^{x}\) | \(9\) |
norman | \(4 x -2 \,{\mathrm e}^{x}\) | \(9\) |
risch | \(4 x -2 \,{\mathrm e}^{x}\) | \(9\) |
parallelrisch | \(4 x -2 \,{\mathrm e}^{x}\) | \(9\) |
parts | \(4 x -2 \,{\mathrm e}^{x}\) | \(9\) |
derivativedivides | \(-2 \,{\mathrm e}^{x}+4 \ln \left ({\mathrm e}^{x}\right )\) | \(11\) |
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none
Time = 0.24 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.73 \[ \int \left (4-2 e^x\right ) \, dx=4 \, x - 2 \, e^{x} \]
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Time = 0.04 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.64 \[ \int \left (4-2 e^x\right ) \, dx=4 x - 2 e^{x} \]
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none
Time = 0.20 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.73 \[ \int \left (4-2 e^x\right ) \, dx=4 \, x - 2 \, e^{x} \]
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none
Time = 0.26 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.73 \[ \int \left (4-2 e^x\right ) \, dx=4 \, x - 2 \, e^{x} \]
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Time = 0.04 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.73 \[ \int \left (4-2 e^x\right ) \, dx=4\,x-2\,{\mathrm {e}}^x \]
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