Integrand size = 5, antiderivative size = 5 \[ \int -e^x \, dx=-e^x \]
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Time = 0.00 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2225} \[ \int -e^x \, dx=-e^x \]
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Rule 2225
Rubi steps \begin{align*} \text {integral}& = -e^x \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.00 \[ \int -e^x \, dx=-e^x \]
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Time = 0.15 (sec) , antiderivative size = 5, normalized size of antiderivative = 1.00
method | result | size |
gosper | \(-{\mathrm e}^{x}\) | \(5\) |
lookup | \(-{\mathrm e}^{x}\) | \(5\) |
derivativedivides | \(-{\mathrm e}^{x}\) | \(5\) |
default | \(-{\mathrm e}^{x}\) | \(5\) |
norman | \(-{\mathrm e}^{x}\) | \(5\) |
risch | \(-{\mathrm e}^{x}\) | \(5\) |
parallelrisch | \(-{\mathrm e}^{x}\) | \(5\) |
parts | \(-{\mathrm e}^{x}\) | \(5\) |
meijerg | \(1-{\mathrm e}^{x}\) | \(7\) |
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none
Time = 0.26 (sec) , antiderivative size = 4, normalized size of antiderivative = 0.80 \[ \int -e^x \, dx=-e^{x} \]
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Time = 0.03 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.60 \[ \int -e^x \, dx=- e^{x} \]
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none
Time = 0.20 (sec) , antiderivative size = 4, normalized size of antiderivative = 0.80 \[ \int -e^x \, dx=-e^{x} \]
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none
Time = 0.28 (sec) , antiderivative size = 4, normalized size of antiderivative = 0.80 \[ \int -e^x \, dx=-e^{x} \]
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Time = 0.01 (sec) , antiderivative size = 4, normalized size of antiderivative = 0.80 \[ \int -e^x \, dx=-{\mathrm {e}}^x \]
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