Integrand size = 26, antiderivative size = 16 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} e^{-2 x} x^2 \log ^2(x) \]
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Time = 0.04 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {12, 6873, 2326} \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} e^{-2 x} x^2 \log ^2(x) \]
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Rule 12
Rule 2326
Rule 6873
Rubi steps \begin{align*} \text {integral}& = \frac {1}{128} \int e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx \\ & = \frac {1}{128} \int e^{-2 x} x \log (x) (1+\log (x)-x \log (x)) \, dx \\ & = \frac {1}{256} e^{-2 x} x^2 \log ^2(x) \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} e^{-2 x} x^2 \log ^2(x) \]
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Time = 0.05 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88
method | result | size |
risch | \(\frac {x^{2} \ln \left (x \right )^{2} {\mathrm e}^{-2 x}}{256}\) | \(14\) |
parallelrisch | \(\frac {x^{2} \ln \left (x \right )^{2} {\mathrm e}^{-2 x}}{256}\) | \(14\) |
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Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} \, x^{2} e^{\left (-2 \, x\right )} \log \left (x\right )^{2} \]
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Time = 0.11 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {x^{2} e^{- 2 x} \log {\left (x \right )}^{2}}{256} \]
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Time = 0.23 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} \, x^{2} e^{\left (-2 \, x\right )} \log \left (x\right )^{2} \]
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Time = 0.25 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {1}{256} \, x^{2} e^{\left (-2 \, x\right )} \log \left (x\right )^{2} \]
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Time = 9.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81 \[ \int \frac {1}{128} e^{-2 x} \left (x \log (x)+\left (x-x^2\right ) \log ^2(x)\right ) \, dx=\frac {x^2\,{\mathrm {e}}^{-2\,x}\,{\ln \left (x\right )}^2}{256} \]
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