Integrand size = 20, antiderivative size = 23 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=3 \left (3+(1-x)^2+2 x+x^2\right ) (-5+\log (3 x)) \]
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Time = 0.01 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83, number of steps used = 5, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {14, 2341} \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=-30 x^2+6 x^2 \log (3 x)+12 \log (x) \]
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Rule 14
Rule 2341
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {6 \left (-2+9 x^2\right )}{x}+12 x \log (3 x)\right ) \, dx \\ & = -\left (6 \int \frac {-2+9 x^2}{x} \, dx\right )+12 \int x \log (3 x) \, dx \\ & = -3 x^2+6 x^2 \log (3 x)-6 \int \left (-\frac {2}{x}+9 x\right ) \, dx \\ & = -30 x^2+12 \log (x)+6 x^2 \log (3 x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=-30 x^2+12 \log (x)+6 x^2 \log (3 x) \]
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Time = 0.10 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
risch | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (x \right )\) | \(20\) |
parts | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (x \right )\) | \(20\) |
derivativedivides | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (3 x \right )\) | \(22\) |
default | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (3 x \right )\) | \(22\) |
norman | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (3 x \right )\) | \(22\) |
parallelrisch | \(6 x^{2} \ln \left (3 x \right )-30 x^{2}+12 \ln \left (3 x \right )\) | \(22\) |
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Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=-30 \, x^{2} + 6 \, {\left (x^{2} + 2\right )} \log \left (3 \, x\right ) \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=6 x^{2} \log {\left (3 x \right )} - 30 x^{2} + 12 \log {\left (x \right )} \]
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Time = 0.18 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=6 \, x^{2} \log \left (3 \, x\right ) - 30 \, x^{2} + 12 \, \log \left (x\right ) \]
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Time = 0.27 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=6 \, x^{2} \log \left (3 \, x\right ) - 30 \, x^{2} + 12 \, \log \left (x\right ) \]
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Time = 12.66 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {12-54 x^2+12 x^2 \log (3 x)}{x} \, dx=12\,\ln \left (x\right )+6\,x^2\,\ln \left (x\right )+6\,x^2\,\ln \left (3\right )-30\,x^2 \]
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