Integrand size = 56, antiderivative size = 23 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\log \left (\frac {x^2 \left (e^x+x-x^2\right )}{500 (-3+x)}\right ) \]
[Out]
\[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx \]
[In]
[Out]
Rubi steps \begin{align*} \text {integral}& = \int \frac {9 x-14 x^2+3 x^3-e^x \left (-6-2 x+x^2\right )}{(3-x) x \left (e^x+x-x^2\right )} \, dx \\ & = \int \left (\frac {1-3 x+x^2}{e^x+x-x^2}+\frac {-6-2 x+x^2}{(-3+x) x}\right ) \, dx \\ & = \int \frac {1-3 x+x^2}{e^x+x-x^2} \, dx+\int \frac {-6-2 x+x^2}{(-3+x) x} \, dx \\ & = \int \left (1+\frac {1}{3-x}+\frac {2}{x}\right ) \, dx+\int \left (\frac {1}{e^x+x-x^2}+\frac {3 x}{-e^x-x+x^2}-\frac {x^2}{-e^x-x+x^2}\right ) \, dx \\ & = x-\log (3-x)+2 \log (x)+3 \int \frac {x}{-e^x-x+x^2} \, dx+\int \frac {1}{e^x+x-x^2} \, dx-\int \frac {x^2}{-e^x-x+x^2} \, dx \\ \end{align*}
Time = 2.02 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=-\log (3-x)+2 \log (x)+\log \left (e^x+x-x^2\right ) \]
[In]
[Out]
Time = 0.05 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96
method | result | size |
risch | \(2 \ln \left (x \right )-\ln \left (-3+x \right )+\ln \left (x +{\mathrm e}^{x}-x^{2}\right )\) | \(22\) |
norman | \(2 \ln \left (x \right )-\ln \left (-3+x \right )+\ln \left (x^{2}-x -{\mathrm e}^{x}\right )\) | \(24\) |
parallelrisch | \(2 \ln \left (x \right )-\ln \left (-3+x \right )+\ln \left (x^{2}-x -{\mathrm e}^{x}\right )\) | \(24\) |
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\log \left (-x^{2} + x + e^{x}\right ) - \log \left (x - 3\right ) + 2 \, \log \left (x\right ) \]
[In]
[Out]
Time = 0.09 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=2 \log {\left (x \right )} - \log {\left (x - 3 \right )} + \log {\left (- x^{2} + x + e^{x} \right )} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\log \left (-x^{2} + x + e^{x}\right ) - \log \left (x - 3\right ) + 2 \, \log \left (x\right ) \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\log \left (-x^{2} + x + e^{x}\right ) - \log \left (x - 3\right ) + 2 \, \log \left (x\right ) \]
[In]
[Out]
Time = 0.21 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {-9 x+14 x^2-3 x^3+e^x \left (-6-2 x+x^2\right )}{-3 x^2+4 x^3-x^4+e^x \left (-3 x+x^2\right )} \, dx=\ln \left (x^2-{\mathrm {e}}^x-x\right )-\ln \left (x-3\right )+2\,\ln \left (x\right ) \]
[In]
[Out]