Integrand size = 9, antiderivative size = 29 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=-6 \log (x)+6 \log (x) \log (\log (x))-3 \log (x) \log ^2(\log (x))+\log (x) \log ^3(\log (x)) \]
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Time = 0.01 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {2333, 2332} \[ \int \frac {\log ^3(\log (x))}{x} \, dx=\log (x) \log ^3(\log (x))-3 \log (x) \log ^2(\log (x))+6 \log (x) \log (\log (x))-6 \log (x) \]
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Rule 2332
Rule 2333
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int \log ^3(x) \, dx,x,\log (x)\right ) \\ & = \log (x) \log ^3(\log (x))-3 \text {Subst}\left (\int \log ^2(x) \, dx,x,\log (x)\right ) \\ & = -3 \log (x) \log ^2(\log (x))+\log (x) \log ^3(\log (x))+6 \text {Subst}(\int \log (x) \, dx,x,\log (x)) \\ & = -6 \log (x)+6 \log (x) \log (\log (x))-3 \log (x) \log ^2(\log (x))+\log (x) \log ^3(\log (x)) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=-6 \log (x)+6 \log (x) \log (\log (x))-3 \log (x) \log ^2(\log (x))+\log (x) \log ^3(\log (x)) \]
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Time = 0.06 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.03
method | result | size |
derivativedivides | \(-6 \ln \left (x \right )+6 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )-3 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{2}+\ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{3}\) | \(30\) |
default | \(-6 \ln \left (x \right )+6 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )-3 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{2}+\ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{3}\) | \(30\) |
norman | \(-6 \ln \left (x \right )+6 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )-3 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{2}+\ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{3}\) | \(30\) |
risch | \(-6 \ln \left (x \right )+6 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )-3 \ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{2}+\ln \left (x \right ) \ln \left (\ln \left (x \right )\right )^{3}\) | \(30\) |
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none
Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=\log \left (x\right ) \log \left (\log \left (x\right )\right )^{3} - 3 \, \log \left (x\right ) \log \left (\log \left (x\right )\right )^{2} + 6 \, \log \left (x\right ) \log \left (\log \left (x\right )\right ) - 6 \, \log \left (x\right ) \]
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Time = 0.12 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.24 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=\log {\left (x \right )} \log {\left (\log {\left (x \right )} \right )}^{3} - 3 \log {\left (x \right )} \log {\left (\log {\left (x \right )} \right )}^{2} + 6 \log {\left (x \right )} \log {\left (\log {\left (x \right )} \right )} - 6 \log {\left (x \right )} \]
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Time = 0.19 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.76 \[ \int \frac {\log ^3(\log (x))}{x} \, dx={\left (\log \left (\log \left (x\right )\right )^{3} - 3 \, \log \left (\log \left (x\right )\right )^{2} + 6 \, \log \left (\log \left (x\right )\right ) - 6\right )} \log \left (x\right ) \]
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Time = 0.30 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=\log \left (x\right ) \log \left (\log \left (x\right )\right )^{3} - 3 \, \log \left (x\right ) \log \left (\log \left (x\right )\right )^{2} + 6 \, \log \left (x\right ) \log \left (\log \left (x\right )\right ) - 6 \, \log \left (x\right ) \]
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Time = 0.41 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^3(\log (x))}{x} \, dx=\ln \left (x\right )\,{\ln \left (\ln \left (x\right )\right )}^3-3\,\ln \left (x\right )\,{\ln \left (\ln \left (x\right )\right )}^2+6\,\ln \left (x\right )\,\ln \left (\ln \left (x\right )\right )-6\,\ln \left (x\right ) \]
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