Integrand size = 68, antiderivative size = 34 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\frac {-x+625 \log ^2\left (\frac {e^{2 e^x}}{x-x^2}\right )}{5+4 e} \]
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\[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-x+x^2-\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{x (5+4 e-(5+4 e) x)} \, dx \\ & = \int \left (\frac {1}{(5+4 e) (-1+x)}-\frac {x}{(5+4 e) (-1+x)}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}+\frac {2500 \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{(5+4 e) (1-x)}+\frac {1250 \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{(-5-4 e) (1-x) x}\right ) \, dx \\ & = \frac {\log (1-x)}{5+4 e}-\frac {\int \frac {x}{-1+x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{(1-x) x} \, dx}{5+4 e}+\frac {2500 \int e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right ) \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ & = \frac {\log (1-x)}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {\int \left (1+\frac {1}{-1+x}\right ) \, dx}{5+4 e}-\frac {1250 \int \left (\frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x}+\frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x}\right ) \, dx}{5+4 e}-\frac {2500 \int \frac {e^x \left (-1+2 \left (1+e^x\right ) x-2 e^x x^2\right )}{(1-x) x} \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ & = -\frac {x}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x} \, dx}{5+4 e}-\frac {2500 \int \left (2 e^{2 x}+\frac {e^x (1-2 x)}{(-1+x) x}\right ) \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ & = -\frac {x}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x} \, dx}{5+4 e}-\frac {2500 \int \frac {e^x (1-2 x)}{(-1+x) x} \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {5000 \int e^{2 x} \, dx}{5+4 e} \\ & = -\frac {2500 e^{2 x}}{5+4 e}-\frac {x}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x} \, dx}{5+4 e}-\frac {2500 \int \left (\frac {e^x}{1-x}-\frac {e^x}{x}\right ) \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ & = -\frac {2500 e^{2 x}}{5+4 e}-\frac {x}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x} \, dx}{5+4 e}-\frac {2500 \int \frac {e^x}{1-x} \, dx}{5+4 e}+\frac {2500 \int \frac {e^x}{x} \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ & = -\frac {2500 e^{2 x}}{5+4 e}-\frac {x}{5+4 e}+\frac {2500 e \text {Ei}(-1+x)}{5+4 e}+\frac {2500 \text {Ei}(x)}{5+4 e}+\frac {2500 e^x \log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e}-\frac {1250 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{x} \, dx}{5+4 e}+\frac {2500 \int \frac {\log \left (\frac {e^{2 e^x}}{(1-x) x}\right )}{1-x} \, dx}{5+4 e} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(143\) vs. \(2(34)=68\).
Time = 0.32 (sec) , antiderivative size = 143, normalized size of antiderivative = 4.21 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\frac {-2500 e^{2 x}-x+625 \log ^2\left (\frac {1}{(-1+x) x}\right )+2500 e^x \log (x)+1250 \log \left (\frac {1}{(-1+x) x}\right ) \log (x)+1250 \log (1-x) \left (2 e^x+\log \left (\frac {1}{(-1+x) x}\right )-\log \left (\frac {e^{2 e^x}}{x-x^2}\right )\right )+2500 e^x \log \left (\frac {e^{2 e^x}}{x-x^2}\right )-1250 \log (x) \log \left (\frac {e^{2 e^x}}{x-x^2}\right )}{5+4 e} \]
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Time = 3.70 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.03
method | result | size |
parallelrisch | \(\frac {-2+625 \ln \left (-\frac {{\mathrm e}^{2 \,{\mathrm e}^{x}}}{x \left (-1+x \right )}\right )^{2}-x}{5+4 \,{\mathrm e}}\) | \(35\) |
default | \(\frac {\left (2500 \ln \left (-\frac {{\mathrm e}^{2 \,{\mathrm e}^{x}}}{x^{2}-x}\right )+2500 \ln \left (x^{2}-x \right )-5000 \,{\mathrm e}^{x}\right ) {\mathrm e}^{x}-2500 \ln \left (x^{2}-x \right ) {\mathrm e}^{x}}{5+4 \,{\mathrm e}}+\frac {2500 \,{\mathrm e}^{2 x}}{5+4 \,{\mathrm e}}-\frac {x +\left (1250 \ln \left (-\frac {{\mathrm e}^{2 \,{\mathrm e}^{x}}}{x^{2}-x}\right )+1250 \ln \left (x^{2}-x \right )-2500 \,{\mathrm e}^{x}\right ) \ln \left (x \right )+\left (1250 \ln \left (-\frac {{\mathrm e}^{2 \,{\mathrm e}^{x}}}{x^{2}-x}\right )+1250 \ln \left (x^{2}-x \right )-2500 \,{\mathrm e}^{x}\right ) \ln \left (-1+x \right )}{5+4 \,{\mathrm e}}+\frac {1250 \ln \left (x \right ) \ln \left (x^{2}-x \right )-625 \ln \left (x \right )^{2}+1250 \operatorname {dilog}\left (x \right )}{5+4 \,{\mathrm e}}+\frac {1250 \ln \left (-1+x \right ) \ln \left (x^{2}-x \right )-1250 \operatorname {dilog}\left (x \right )-1250 \ln \left (x \right ) \ln \left (-1+x \right )-625 \ln \left (-1+x \right )^{2}}{5+4 \,{\mathrm e}}\) | \(237\) |
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Time = 0.25 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\frac {625 \, \log \left (-\frac {e^{\left (2 \, e^{x}\right )}}{x^{2} - x}\right )^{2} - x}{4 \, e + 5} \]
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Time = 0.30 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=- \frac {x}{5 + 4 e} + \frac {625 \log {\left (- \frac {e^{2 e^{x}}}{x^{2} - x} \right )}^{2}}{5 + 4 e} \]
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Time = 0.24 (sec) , antiderivative size = 68, normalized size of antiderivative = 2.00 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=-\frac {625 \, {\left (4 \, e^{x} \log \left (x\right ) - \log \left (x\right )^{2} + 2 \, {\left (2 \, e^{x} - \log \left (x\right )\right )} \log \left (-x + 1\right ) - \log \left (-x + 1\right )^{2} - 4 \, e^{\left (2 \, x\right )}\right )}}{4 \, e + 5} - \frac {x}{4 \, e + 5} \]
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\[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\int { -\frac {x^{2} - 1250 \, {\left (2 \, {\left (x^{2} - x\right )} e^{x} - 2 \, x + 1\right )} \log \left (-\frac {e^{\left (2 \, e^{x}\right )}}{x^{2} - x}\right ) - x}{5 \, x^{2} + 4 \, {\left (x^{2} - x\right )} e - 5 \, x} \,d x } \]
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Time = 12.69 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.18 \[ \int \frac {x-x^2+\left (1250-2500 x+e^x \left (-2500 x+2500 x^2\right )\right ) \log \left (-\frac {e^{2 e^x}}{-x+x^2}\right )}{-5 x+5 x^2+e \left (-4 x+4 x^2\right )} \, dx=\frac {625\,{\ln \left (\frac {{\mathrm {e}}^{2\,{\mathrm {e}}^x}}{x-x^2}\right )}^2}{4\,\mathrm {e}+5}-\frac {x}{4\,\mathrm {e}+5} \]
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