Integrand size = 27, antiderivative size = 25 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=\log (9) \log \left (\frac {2}{x \log (3) \log (5) \log \left (\frac {3}{x^2}\right )}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.074, Rules used = {2412, 45} \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=-\log (9) \log \left (\log \left (\frac {3}{x^2}\right )\right )-\log (9) \log (x) \]
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Rule 45
Rule 2412
Rubi steps \begin{align*} \text {integral}& = -\left (\frac {1}{2} \text {Subst}\left (\int \frac {2 \log (9)-x \log (9)}{x} \, dx,x,\log \left (\frac {3}{x^2}\right )\right )\right ) \\ & = -\left (\frac {1}{2} \text {Subst}\left (\int \left (-\log (9)+\frac {2 \log (9)}{x}\right ) \, dx,x,\log \left (\frac {3}{x^2}\right )\right )\right ) \\ & = -\log (9) \log (x)-\log (9) \log \left (\log \left (\frac {3}{x^2}\right )\right ) \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=-\log (9) \log (x)-\log (9) \log \left (\log \left (\frac {3}{x^2}\right )\right ) \]
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Time = 0.14 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76
method | result | size |
risch | \(-2 \ln \left (3\right ) \ln \left (x \right )-2 \ln \left (3\right ) \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\) | \(19\) |
parts | \(-2 \ln \left (3\right ) \ln \left (x \right )-2 \ln \left (3\right ) \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\) | \(19\) |
norman | \(\ln \left (3\right ) \ln \left (\frac {3}{x^{2}}\right )-2 \ln \left (3\right ) \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\) | \(22\) |
parallelrisch | \(\ln \left (3\right ) \ln \left (\frac {3}{x^{2}}\right )-2 \ln \left (3\right ) \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\) | \(22\) |
derivativedivides | \(-\ln \left (3\right ) \left (-\ln \left (\frac {3}{x^{2}}\right )+2 \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\right )\) | \(23\) |
default | \(-\ln \left (3\right ) \left (-\ln \left (\frac {3}{x^{2}}\right )+2 \ln \left (\ln \left (\frac {3}{x^{2}}\right )\right )\right )\) | \(23\) |
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Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=\log \left (3\right ) \log \left (\frac {3}{x^{2}}\right ) - 2 \, \log \left (3\right ) \log \left (\log \left (\frac {3}{x^{2}}\right )\right ) \]
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Time = 0.06 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.88 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=- 2 \log {\left (3 \right )} \log {\left (x \right )} - 2 \log {\left (3 \right )} \log {\left (\log {\left (\frac {3}{x^{2}} \right )} \right )} \]
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Time = 0.21 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.72 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=-2 \, \log \left (3\right ) \log \left (x\right ) - 2 \, \log \left (3\right ) \log \left (\log \left (\frac {3}{x^{2}}\right )\right ) \]
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Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=-2 \, \log \left (3\right ) \log \left (x\right ) - 2 \, \log \left (3\right ) \log \left (-\log \left (3\right ) + \log \left (x^{2}\right )\right ) \]
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Time = 10.02 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.76 \[ \int \frac {2 \log (9)-\log (9) \log \left (\frac {3}{x^2}\right )}{x \log \left (\frac {3}{x^2}\right )} \, dx=\ln \left (\frac {1}{x^2}\right )\,\ln \left (3\right )-\ln \left (\ln \left (\frac {3}{x^2}\right )\right )\,\ln \left (9\right ) \]
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