Integrand size = 13, antiderivative size = 15 \[ \int -2 e^{e^{e^8}-x} \, dx=16+2 e^{e^{e^8}-x} \]
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Time = 0.00 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {12, 2225} \[ \int -2 e^{e^{e^8}-x} \, dx=2 e^{e^{e^8}-x} \]
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Rule 12
Rule 2225
Rubi steps \begin{align*} \text {integral}& = -\left (2 \int e^{e^{e^8}-x} \, dx\right ) \\ & = 2 e^{e^{e^8}-x} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87 \[ \int -2 e^{e^{e^8}-x} \, dx=2 e^{e^{e^8}-x} \]
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Time = 0.03 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.73
method | result | size |
risch | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(11\) |
gosper | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(15\) |
derivativedivides | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(15\) |
default | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(15\) |
norman | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(15\) |
parallelrisch | \(2 \,{\mathrm e}^{{\mathrm e}^{{\mathrm e}^{8}}-x}\) | \(15\) |
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none
Time = 0.25 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.67 \[ \int -2 e^{e^{e^8}-x} \, dx=2 \, e^{\left (-x + e^{\left (e^{8}\right )}\right )} \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.53 \[ \int -2 e^{e^{e^8}-x} \, dx=2 e^{- x + e^{e^{8}}} \]
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none
Time = 0.20 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.67 \[ \int -2 e^{e^{e^8}-x} \, dx=2 \, e^{\left (-x + e^{\left (e^{8}\right )}\right )} \]
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none
Time = 0.26 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.67 \[ \int -2 e^{e^{e^8}-x} \, dx=2 \, e^{\left (-x + e^{\left (e^{8}\right )}\right )} \]
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Time = 0.04 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.67 \[ \int -2 e^{e^{e^8}-x} \, dx=2\,{\mathrm {e}}^{{\mathrm {e}}^{{\mathrm {e}}^8}}\,{\mathrm {e}}^{-x} \]
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