Integrand size = 30, antiderivative size = 21 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=2+e^3-(-1-x)^2-x+\log (\log (\log (x))) \]
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Time = 0.10 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {6820, 2339, 29} \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=-x^2-3 x+\log (\log (\log (x))) \]
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Rule 29
Rule 2339
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \left (-3-2 x+\frac {1}{x \log (x) \log (\log (x))}\right ) \, dx \\ & = -3 x-x^2+\int \frac {1}{x \log (x) \log (\log (x))} \, dx \\ & = -3 x-x^2+\text {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,\log (x)\right ) \\ & = -3 x-x^2+\text {Subst}\left (\int \frac {1}{x} \, dx,x,\log (\log (x))\right ) \\ & = -3 x-x^2+\log (\log (\log (x))) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=-3 x-x^2+\log (\log (\log (x))) \]
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Time = 0.05 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67
method | result | size |
default | \(-3 x +\ln \left (\ln \left (\ln \left (x \right )\right )\right )-x^{2}\) | \(14\) |
norman | \(-3 x +\ln \left (\ln \left (\ln \left (x \right )\right )\right )-x^{2}\) | \(14\) |
risch | \(-3 x +\ln \left (\ln \left (\ln \left (x \right )\right )\right )-x^{2}\) | \(14\) |
parallelrisch | \(-3 x +\ln \left (\ln \left (\ln \left (x \right )\right )\right )-x^{2}\) | \(14\) |
parts | \(-3 x +\ln \left (\ln \left (\ln \left (x \right )\right )\right )-x^{2}\) | \(14\) |
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Time = 0.24 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=-x^{2} - 3 \, x + \log \left (\log \left (\log \left (x\right )\right )\right ) \]
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Time = 0.06 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.57 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=- x^{2} - 3 x + \log {\left (\log {\left (\log {\left (x \right )} \right )} \right )} \]
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none
Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=-x^{2} - 3 \, x + \log \left (\log \left (\log \left (x\right )\right )\right ) \]
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none
Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=-x^{2} - 3 \, x + \log \left (\log \left (\log \left (x\right )\right )\right ) \]
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Time = 14.05 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {1+\left (-3 x-2 x^2\right ) \log (x) \log (\log (x))}{x \log (x) \log (\log (x))} \, dx=\ln \left (\ln \left (\ln \left (x\right )\right )\right )-3\,x-x^2 \]
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