Integrand size = 7, antiderivative size = 13 \[ \int 10 e^{-2 x} \, dx=-4-5 e^{-2 x}-\log (3) \]
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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 = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {12, 2225} \[ \int 10 e^{-2 x} \, dx=-5 e^{-2 x} \]
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Rule 12
Rule 2225
Rubi steps \begin{align*} \text {integral}& = 10 \int e^{-2 x} \, dx \\ & = -5 e^{-2 x} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54 \[ \int 10 e^{-2 x} \, dx=-5 e^{-2 x} \]
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Time = 0.41 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54
method | result | size |
gosper | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
derivativedivides | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
default | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
norman | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
risch | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
parallelrisch | \(-5 \,{\mathrm e}^{-2 x}\) | \(7\) |
meijerg | \(5-5 \,{\mathrm e}^{-2 x}\) | \(9\) |
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none
Time = 0.23 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int 10 e^{-2 x} \, dx=-5 \, e^{\left (-2 \, x\right )} \]
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Time = 0.03 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.54 \[ \int 10 e^{-2 x} \, dx=- 5 e^{- 2 x} \]
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none
Time = 0.20 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int 10 e^{-2 x} \, dx=-5 \, e^{\left (-2 \, x\right )} \]
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none
Time = 0.25 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int 10 e^{-2 x} \, dx=-5 \, e^{\left (-2 \, x\right )} \]
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Time = 0.02 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.46 \[ \int 10 e^{-2 x} \, dx=-5\,{\mathrm {e}}^{-2\,x} \]
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