Integrand size = 5, antiderivative size = 13 \[ \int \left (-1+e^x\right ) \, dx=-3+e^x-x-20 \log (\log (5)) \]
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Time = 0.00 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2225} \[ \int \left (-1+e^x\right ) \, dx=e^x-x \]
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Rule 2225
Rubi steps \begin{align*} \text {integral}& = -x+\int e^x \, dx \\ & = e^x-x \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54 \[ \int \left (-1+e^x\right ) \, dx=e^x-x \]
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Time = 0.03 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54
method | result | size |
default | \({\mathrm e}^{x}-x\) | \(7\) |
norman | \({\mathrm e}^{x}-x\) | \(7\) |
risch | \({\mathrm e}^{x}-x\) | \(7\) |
parallelrisch | \({\mathrm e}^{x}-x\) | \(7\) |
parts | \({\mathrm e}^{x}-x\) | \(7\) |
derivativedivides | \({\mathrm e}^{x}-\ln \left ({\mathrm e}^{x}\right )\) | \(9\) |
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none
Time = 0.24 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int \left (-1+e^x\right ) \, dx=-x + e^{x} \]
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Time = 0.03 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.23 \[ \int \left (-1+e^x\right ) \, dx=- x + e^{x} \]
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none
Time = 0.18 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int \left (-1+e^x\right ) \, dx=-x + e^{x} \]
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none
Time = 0.24 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int \left (-1+e^x\right ) \, dx=-x + e^{x} \]
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Time = 0.03 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int \left (-1+e^x\right ) \, dx={\mathrm {e}}^x-x \]
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