Integrand size = 18, antiderivative size = 19 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-3+\frac {1}{9} (-4-2 x) x^2 \log ^2(\log (5)) \]
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Time = 0.00 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.32, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {12} \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2}{9} x^3 \log ^2(\log (5))-\frac {4}{9} x^2 \log ^2(\log (5)) \]
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Rule 12
Rubi steps \begin{align*} \text {integral}& = \frac {1}{9} \log ^2(\log (5)) \int \left (-8 x-6 x^2\right ) \, dx \\ & = -\frac {4}{9} x^2 \log ^2(\log (5))-\frac {2}{9} x^3 \log ^2(\log (5)) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.95 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2}{9} \left (2 x^2+x^3\right ) \log ^2(\log (5)) \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74
method | result | size |
gosper | \(-\frac {2 \ln \left (\ln \left (5\right )\right )^{2} \left (2+x \right ) x^{2}}{9}\) | \(14\) |
default | \(\frac {2 \ln \left (\ln \left (5\right )\right )^{2} \left (-x^{3}-2 x^{2}\right )}{9}\) | \(19\) |
parallelrisch | \(\frac {\ln \left (\ln \left (5\right )\right )^{2} \left (-2 x^{3}-4 x^{2}\right )}{9}\) | \(19\) |
norman | \(-\frac {4 x^{2} \ln \left (\ln \left (5\right )\right )^{2}}{9}-\frac {2 x^{3} \ln \left (\ln \left (5\right )\right )^{2}}{9}\) | \(22\) |
risch | \(-\frac {4 x^{2} \ln \left (\ln \left (5\right )\right )^{2}}{9}-\frac {2 x^{3} \ln \left (\ln \left (5\right )\right )^{2}}{9}\) | \(22\) |
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.84 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2}{9} \, {\left (x^{3} + 2 \, x^{2}\right )} \log \left (\log \left (5\right )\right )^{2} \]
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Time = 0.02 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.42 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=- \frac {2 x^{3} \log {\left (\log {\left (5 \right )} \right )}^{2}}{9} - \frac {4 x^{2} \log {\left (\log {\left (5 \right )} \right )}^{2}}{9} \]
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Time = 0.18 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.84 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2}{9} \, {\left (x^{3} + 2 \, x^{2}\right )} \log \left (\log \left (5\right )\right )^{2} \]
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Time = 0.26 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.84 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2}{9} \, {\left (x^{3} + 2 \, x^{2}\right )} \log \left (\log \left (5\right )\right )^{2} \]
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Time = 0.03 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {1}{9} \left (-8 x-6 x^2\right ) \log ^2(\log (5)) \, dx=-\frac {2\,x^2\,{\ln \left (\ln \left (5\right )\right )}^2\,\left (x+2\right )}{9} \]
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