Integrand size = 71, antiderivative size = 21 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=e^x \left (5+\frac {1}{256} \log (2 x-\log (2 x))\right ) \]
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Leaf count is larger than twice the leaf count of optimal. \(69\) vs. \(2(21)=42\).
Time = 0.81 (sec) , antiderivative size = 69, normalized size of antiderivative = 3.29, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {2641, 6873, 12, 2326} \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {e^x \left (2560 x^2+2 x^2 \log (2 x-\log (2 x))-1280 x \log (2 x)-x \log (2 x) \log (2 x-\log (2 x))\right )}{256 x (2 x-\log (2 x))} \]
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Rule 12
Rule 2326
Rule 2641
Rule 6873
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{x (-512 x+256 \log (2 x))} \, dx \\ & = \int \frac {e^x \left (-1+2 x+2560 x^2-1280 x \log (2 x)+2 x^2 \log (2 x-\log (2 x))-x \log (2 x) \log (2 x-\log (2 x))\right )}{256 x (2 x-\log (2 x))} \, dx \\ & = \frac {1}{256} \int \frac {e^x \left (-1+2 x+2560 x^2-1280 x \log (2 x)+2 x^2 \log (2 x-\log (2 x))-x \log (2 x) \log (2 x-\log (2 x))\right )}{x (2 x-\log (2 x))} \, dx \\ & = \frac {e^x \left (2560 x^2-1280 x \log (2 x)+2 x^2 \log (2 x-\log (2 x))-x \log (2 x) \log (2 x-\log (2 x))\right )}{256 x (2 x-\log (2 x))} \\ \end{align*}
Time = 0.32 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {1}{256} e^x (1280+\log (2 x-\log (2 x))) \]
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Time = 0.68 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00
method | result | size |
risch | \(\frac {{\mathrm e}^{x} \ln \left (2 x -\ln \left (2 x \right )\right )}{256}+5 \,{\mathrm e}^{x}\) | \(21\) |
parallelrisch | \(\frac {{\mathrm e}^{x} \ln \left (2 x -\ln \left (2 x \right )\right )}{256}+5 \,{\mathrm e}^{x}\) | \(21\) |
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Time = 0.25 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {1}{256} \, e^{x} \log \left (2 \, x - \log \left (2 \, x\right )\right ) + 5 \, e^{x} \]
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Time = 10.74 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {\left (\log {\left (2 x - \log {\left (2 x \right )} \right )} + 1280\right ) e^{x}}{256} \]
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Time = 0.31 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {1}{256} \, e^{x} \log \left (2 \, x - \log \left (2\right ) - \log \left (x\right )\right ) + 5 \, e^{x} \]
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {1}{256} \, e^{x} \log \left (2 \, x - \log \left (2 \, x\right )\right ) + 5 \, e^{x} \]
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Time = 9.11 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {e^x \left (1-2 x-2560 x^2\right )+1280 e^x x \log (2 x)+\left (-2 e^x x^2+e^x x \log (2 x)\right ) \log (2 x-\log (2 x))}{-512 x^2+256 x \log (2 x)} \, dx=\frac {{\mathrm {e}}^x\,\left (\ln \left (2\,x-\ln \left (2\,x\right )\right )+1280\right )}{256} \]
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