Integrand size = 46, antiderivative size = 18 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=-\frac {3}{x}+\log \left (\log \left (-e+\frac {2 e}{x}\right )\right ) \]
[Out]
\[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx \]
[In]
[Out]
Rubi steps \begin{align*} \text {integral}& = \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{(-2+x) x^2 \log \left (\frac {e (2-x)}{x}\right )} \, dx \\ & = \int \frac {3+\frac {2 x}{(-2+x) \log \left (-\frac {e (-2+x)}{x}\right )}}{x^2} \, dx \\ & = \int \left (\frac {3}{x^2}+\frac {2}{(-2+x) x \log \left (-e+\frac {2 e}{x}\right )}\right ) \, dx \\ & = -\frac {3}{x}+2 \int \frac {1}{(-2+x) x \log \left (-e+\frac {2 e}{x}\right )} \, dx \\ & = -\frac {3}{x}+2 \int \left (\frac {1}{2 (-2+x) \log \left (-e+\frac {2 e}{x}\right )}-\frac {1}{2 x \log \left (-e+\frac {2 e}{x}\right )}\right ) \, dx \\ & = -\frac {3}{x}+\int \frac {1}{(-2+x) \log \left (-e+\frac {2 e}{x}\right )} \, dx-\int \frac {1}{x \log \left (-e+\frac {2 e}{x}\right )} \, dx \\ \end{align*}
Time = 0.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=-\frac {3}{x}+\log \left (\log \left (-\frac {e (-2+x)}{x}\right )\right ) \]
[In]
[Out]
Time = 1.42 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11
method | result | size |
norman | \(-\frac {3}{x}+\ln \left (\ln \left (\frac {\left (2-x \right ) {\mathrm e}}{x}\right )\right )\) | \(20\) |
risch | \(-\frac {3}{x}+\ln \left (\ln \left (\frac {\left (2-x \right ) {\mathrm e}}{x}\right )\right )\) | \(20\) |
parts | \(-\frac {3}{x}+\ln \left (\ln \left (\frac {\left (2-x \right ) {\mathrm e}}{x}\right )\right )\) | \(20\) |
parallelrisch | \(-\frac {3-\ln \left (\ln \left (\frac {\left (2-x \right ) {\mathrm e}}{x}\right )\right ) x}{x}\) | \(24\) |
derivativedivides | \(-\frac {{\mathrm e} \left (6 \,{\mathrm e}^{-2} \left (\frac {2 \,{\mathrm e}}{x}-{\mathrm e}\right )-4 \,{\mathrm e}^{-1} \ln \left (\ln \left (\frac {2 \,{\mathrm e}}{x}-{\mathrm e}\right )\right )\right )}{4}\) | \(44\) |
default | \(-\frac {{\mathrm e} \left (6 \,{\mathrm e}^{-2} \left (\frac {2 \,{\mathrm e}}{x}-{\mathrm e}\right )-4 \,{\mathrm e}^{-1} \ln \left (\ln \left (\frac {2 \,{\mathrm e}}{x}-{\mathrm e}\right )\right )\right )}{4}\) | \(44\) |
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\frac {x \log \left (\log \left (-\frac {{\left (x - 2\right )} e}{x}\right )\right ) - 3}{x} \]
[In]
[Out]
Time = 0.08 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\log {\left (\log {\left (\frac {e \left (2 - x\right )}{x} \right )} \right )} - \frac {3}{x} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 103 vs. \(2 (20) = 40\).
Time = 0.24 (sec) , antiderivative size = 103, normalized size of antiderivative = 5.72 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\frac {3}{2} \, {\left (e^{\left (-1\right )} \log \left (\frac {2 \, e}{x} - e\right ) \log \left (-\log \left (x\right ) + \log \left (-x + 2\right ) + 1\right ) + {\left ({\left (\log \left (x\right ) - \log \left (-x + 2\right ) - 1\right )} \log \left (-\log \left (x\right ) + \log \left (-x + 2\right ) + 1\right ) - \log \left (x\right ) + \log \left (-x + 2\right )\right )} e^{\left (-1\right )}\right )} e - \frac {3}{x} - \frac {3}{2} \, \log \left (x - 2\right ) + \frac {3}{2} \, \log \left (x\right ) + \log \left (-\log \left (x\right ) + \log \left (-x + 2\right ) + 1\right ) \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 39, normalized size of antiderivative = 2.17 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\frac {1}{2} \, {\left (2 \, e \log \left (\log \left (-\frac {x e - 2 \, e}{x}\right )\right ) + \frac {3 \, {\left (x e - 2 \, e\right )}}{x}\right )} e^{\left (-1\right )} \]
[In]
[Out]
Time = 9.34 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {2 x+(-6+3 x) \log \left (\frac {e (2-x)}{x}\right )}{\left (-2 x^2+x^3\right ) \log \left (\frac {e (2-x)}{x}\right )} \, dx=\ln \left (\ln \left (-\frac {\mathrm {e}\,\left (x-2\right )}{x}\right )\right )-\frac {3}{x} \]
[In]
[Out]