Integrand size = 57, antiderivative size = 22 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=x \left (-5+5 \left (x-\frac {2 \log \left (\log \left (-\frac {3}{2}+\frac {1}{x}\right )\right )}{x}\right )\right ) \]
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\[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=\int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{x (-2+3 x) \log \left (\frac {2-3 x}{2 x}\right )} \, dx \\ & = \int \frac {5 \left (-2+7 x-6 x^2+\frac {4}{x \log \left (-\frac {3}{2}+\frac {1}{x}\right )}\right )}{2-3 x} \, dx \\ & = 5 \int \frac {-2+7 x-6 x^2+\frac {4}{x \log \left (-\frac {3}{2}+\frac {1}{x}\right )}}{2-3 x} \, dx \\ & = 5 \int \left (-1+2 x-\frac {4}{x (-2+3 x) \log \left (-\frac {3}{2}+\frac {1}{x}\right )}\right ) \, dx \\ & = -5 x+5 x^2-20 \int \frac {1}{x (-2+3 x) \log \left (-\frac {3}{2}+\frac {1}{x}\right )} \, dx \\ & = -5 x+5 x^2-20 \int \left (-\frac {1}{2 x \log \left (-\frac {3}{2}+\frac {1}{x}\right )}+\frac {3}{2 (-2+3 x) \log \left (-\frac {3}{2}+\frac {1}{x}\right )}\right ) \, dx \\ & = -5 x+5 x^2+10 \int \frac {1}{x \log \left (-\frac {3}{2}+\frac {1}{x}\right )} \, dx-30 \int \frac {1}{(-2+3 x) \log \left (-\frac {3}{2}+\frac {1}{x}\right )} \, dx \\ \end{align*}
Time = 0.18 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=5 \left (-x+x^2-2 \log \left (\log \left (-\frac {3}{2}+\frac {1}{x}\right )\right )\right ) \]
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Time = 0.43 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.86
method | result | size |
derivativedivides | \(-10 \ln \left (\ln \left (\frac {1}{x}-\frac {3}{2}\right )\right )-5 x +5 x^{2}\) | \(19\) |
default | \(-10 \ln \left (\ln \left (\frac {1}{x}-\frac {3}{2}\right )\right )-5 x +5 x^{2}\) | \(19\) |
norman | \(-5 x +5 x^{2}-10 \ln \left (\ln \left (\frac {2-3 x}{2 x}\right )\right )\) | \(24\) |
risch | \(-5 x +5 x^{2}-10 \ln \left (\ln \left (\frac {2-3 x}{2 x}\right )\right )\) | \(24\) |
parts | \(-5 x +5 x^{2}-10 \ln \left (\ln \left (\frac {2-3 x}{2 x}\right )\right )\) | \(24\) |
parallelrisch | \(-\frac {80}{9}+5 x^{2}-10 \ln \left (\ln \left (-\frac {-2+3 x}{2 x}\right )\right )-5 x\) | \(25\) |
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Time = 0.33 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=5 \, x^{2} - 5 \, x - 10 \, \log \left (\log \left (-\frac {3 \, x - 2}{2 \, x}\right )\right ) \]
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Time = 0.09 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=5 x^{2} - 5 x - 10 \log {\left (\log {\left (\frac {1 - \frac {3 x}{2}}{x} \right )} \right )} \]
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Time = 0.34 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.23 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=5 \, x^{2} - 5 \, x - 10 \, \log \left (-\log \left (2\right ) - \log \left (x\right ) + \log \left (-3 \, x + 2\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (18) = 36\).
Time = 0.30 (sec) , antiderivative size = 53, normalized size of antiderivative = 2.41 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=\frac {10 \, {\left (\frac {3 \, x - 2}{x} - 1\right )}}{\frac {{\left (3 \, x - 2\right )}^{2}}{x^{2}} - \frac {6 \, {\left (3 \, x - 2\right )}}{x} + 9} - 10 \, \log \left (\log \left (-\frac {3 \, x - 2}{2 \, x}\right )\right ) \]
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Time = 12.30 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {-20+\left (10 x-35 x^2+30 x^3\right ) \log \left (\frac {2-3 x}{2 x}\right )}{\left (-2 x+3 x^2\right ) \log \left (\frac {2-3 x}{2 x}\right )} \, dx=5\,x^2-10\,\ln \left (\ln \left (-\frac {3\,x-2}{2\,x}\right )\right )-5\,x \]
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