Integrand size = 57, antiderivative size = 27 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=2 x+\frac {1}{2} \left (-1-x+\frac {8}{x^2 (3+x) \log (x)}\right ) \]
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\[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{x^3 \left (18+12 x+2 x^2\right ) \log ^2(x)} \, dx \\ & = \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{2 x^3 (3+x)^2 \log ^2(x)} \, dx \\ & = \frac {1}{2} \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{x^3 (3+x)^2 \log ^2(x)} \, dx \\ & = \frac {1}{2} \int \left (3-\frac {8}{x^3 (3+x) \log ^2(x)}-\frac {24 (2+x)}{x^3 (3+x)^2 \log (x)}\right ) \, dx \\ & = \frac {3 x}{2}-4 \int \frac {1}{x^3 (3+x) \log ^2(x)} \, dx-12 \int \frac {2+x}{x^3 (3+x)^2 \log (x)} \, dx \\ \end{align*}
Time = 1.87 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.74 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3 x}{2}+\frac {4}{x^2 (3+x) \log (x)} \]
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Time = 2.40 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.70
method | result | size |
risch | \(\frac {3 x}{2}+\frac {4}{x^{2} \ln \left (x \right ) \left (3+x \right )}\) | \(19\) |
norman | \(\frac {4-\frac {27 x^{2} \ln \left (x \right )}{2}+\frac {3 x^{4} \ln \left (x \right )}{2}}{x^{2} \left (3+x \right ) \ln \left (x \right )}\) | \(30\) |
parallelrisch | \(\frac {3 x^{4} \ln \left (x \right )+8-27 x^{2} \ln \left (x \right )}{2 x^{2} \left (3+x \right ) \ln \left (x \right )}\) | \(31\) |
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Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.19 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3 \, {\left (x^{4} + 3 \, x^{3}\right )} \log \left (x\right ) + 8}{2 \, {\left (x^{3} + 3 \, x^{2}\right )} \log \left (x\right )} \]
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Time = 0.08 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.63 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3 x}{2} + \frac {4}{\left (x^{3} + 3 x^{2}\right ) \log {\left (x \right )}} \]
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Time = 0.21 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.19 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3 \, {\left (x^{4} + 3 \, x^{3}\right )} \log \left (x\right ) + 8}{2 \, {\left (x^{3} + 3 \, x^{2}\right )} \log \left (x\right )} \]
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Time = 0.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3}{2} \, x + \frac {4}{x^{3} \log \left (x\right ) + 3 \, x^{2} \log \left (x\right )} \]
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Time = 11.49 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.67 \[ \int \frac {-24-8 x+(-48-24 x) \log (x)+\left (27 x^3+18 x^4+3 x^5\right ) \log ^2(x)}{\left (18 x^3+12 x^4+2 x^5\right ) \log ^2(x)} \, dx=\frac {3\,x}{2}+\frac {4}{x^2\,\ln \left (x\right )\,\left (x+3\right )} \]
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