Integrand size = 8, antiderivative size = 10 \[ \int 2 e^4 x^7 \, dx=\frac {e^4 x^8}{4} \]
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Time = 0.00 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {12, 30} \[ \int 2 e^4 x^7 \, dx=\frac {e^4 x^8}{4} \]
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Rule 12
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (2 e^4\right ) \int x^7 \, dx \\ & = \frac {e^4 x^8}{4} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.00 \[ \int 2 e^4 x^7 \, dx=\frac {e^4 x^8}{4} \]
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Time = 0.03 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.80
method | result | size |
risch | \(\frac {x^{8} {\mathrm e}^{4}}{4}\) | \(8\) |
gosper | \(\frac {x^{8} {\mathrm e}^{-8} {\mathrm e}^{12}}{4}\) | \(14\) |
default | \(\frac {x^{8} {\mathrm e}^{-8} {\mathrm e}^{12}}{4}\) | \(14\) |
norman | \(\frac {x^{8} {\mathrm e}^{-8} {\mathrm e}^{12}}{4}\) | \(14\) |
parallelrisch | \(\frac {x^{8} {\mathrm e}^{-8} {\mathrm e}^{12}}{4}\) | \(14\) |
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Time = 0.37 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.70 \[ \int 2 e^4 x^7 \, dx=\frac {1}{4} \, x^{8} e^{4} \]
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Time = 0.02 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.70 \[ \int 2 e^4 x^7 \, dx=\frac {x^{8} e^{4}}{4} \]
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none
Time = 0.18 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.70 \[ \int 2 e^4 x^7 \, dx=\frac {1}{4} \, x^{8} e^{4} \]
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Time = 0.26 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.70 \[ \int 2 e^4 x^7 \, dx=\frac {1}{4} \, x^{8} e^{4} \]
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Time = 0.03 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.70 \[ \int 2 e^4 x^7 \, dx=\frac {x^8\,{\mathrm {e}}^4}{4} \]
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