Integrand size = 42, antiderivative size = 33 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=5+2 x-x^2+\frac {4 (2+x)}{4-e^{-x} \left (1-e^x\right )} \]
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Leaf count is larger than twice the leaf count of optimal. \(93\) vs. \(2(33)=66\).
Time = 0.23 (sec) , antiderivative size = 93, normalized size of antiderivative = 2.82, number of steps used = 17, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {6873, 6874, 2215, 2221, 2317, 2438, 2216, 2222, 2320, 36, 29, 31} \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=-\frac {1}{25} (7-5 x)^2+\frac {2}{5} (x+1)^2-\frac {2}{5} (x+2)^2+\frac {4 x}{5}-\frac {4 (x+2)}{5 \left (1-5 e^x\right )}-\frac {4}{5} (x+1) \log \left (1-5 e^x\right )+\frac {4}{5} (x+2) \log \left (1-5 e^x\right )-\frac {4}{5} \log \left (1-5 e^x\right ) \]
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Rule 29
Rule 31
Rule 36
Rule 2215
Rule 2216
Rule 2221
Rule 2222
Rule 2317
Rule 2320
Rule 2438
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{\left (1-5 e^x\right )^2} \, dx \\ & = \int \left (-\frac {4 (1+x)}{5 \left (-1+5 e^x\right )}-\frac {4 (2+x)}{5 \left (-1+5 e^x\right )^2}-\frac {2}{5} (-7+5 x)\right ) \, dx \\ & = -\frac {1}{25} (7-5 x)^2-\frac {4}{5} \int \frac {1+x}{-1+5 e^x} \, dx-\frac {4}{5} \int \frac {2+x}{\left (-1+5 e^x\right )^2} \, dx \\ & = -\frac {1}{25} (7-5 x)^2+\frac {2}{5} (1+x)^2+\frac {4}{5} \int \frac {2+x}{-1+5 e^x} \, dx-4 \int \frac {e^x (1+x)}{-1+5 e^x} \, dx-4 \int \frac {e^x (2+x)}{\left (-1+5 e^x\right )^2} \, dx \\ & = -\frac {1}{25} (7-5 x)^2+\frac {2}{5} (1+x)^2-\frac {4 (2+x)}{5 \left (1-5 e^x\right )}-\frac {2}{5} (2+x)^2-\frac {4}{5} (1+x) \log \left (1-5 e^x\right )-\frac {4}{5} \int \frac {1}{-1+5 e^x} \, dx+\frac {4}{5} \int \log \left (1-5 e^x\right ) \, dx+4 \int \frac {e^x (2+x)}{-1+5 e^x} \, dx \\ & = -\frac {1}{25} (7-5 x)^2+\frac {2}{5} (1+x)^2-\frac {4 (2+x)}{5 \left (1-5 e^x\right )}-\frac {2}{5} (2+x)^2-\frac {4}{5} (1+x) \log \left (1-5 e^x\right )+\frac {4}{5} (2+x) \log \left (1-5 e^x\right )-\frac {4}{5} \int \log \left (1-5 e^x\right ) \, dx-\frac {4}{5} \text {Subst}\left (\int \frac {1}{x (-1+5 x)} \, dx,x,e^x\right )+\frac {4}{5} \text {Subst}\left (\int \frac {\log (1-5 x)}{x} \, dx,x,e^x\right ) \\ & = -\frac {1}{25} (7-5 x)^2+\frac {2}{5} (1+x)^2-\frac {4 (2+x)}{5 \left (1-5 e^x\right )}-\frac {2}{5} (2+x)^2-\frac {4}{5} (1+x) \log \left (1-5 e^x\right )+\frac {4}{5} (2+x) \log \left (1-5 e^x\right )-\frac {4 \text {Li}_2\left (5 e^x\right )}{5}+\frac {4}{5} \text {Subst}\left (\int \frac {1}{x} \, dx,x,e^x\right )-\frac {4}{5} \text {Subst}\left (\int \frac {\log (1-5 x)}{x} \, dx,x,e^x\right )-4 \text {Subst}\left (\int \frac {1}{-1+5 x} \, dx,x,e^x\right ) \\ & = -\frac {1}{25} (7-5 x)^2+\frac {4 x}{5}+\frac {2}{5} (1+x)^2-\frac {4 (2+x)}{5 \left (1-5 e^x\right )}-\frac {2}{5} (2+x)^2-\frac {4}{5} \log \left (1-5 e^x\right )-\frac {4}{5} (1+x) \log \left (1-5 e^x\right )+\frac {4}{5} (2+x) \log \left (1-5 e^x\right ) \\ \end{align*}
Time = 0.36 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.94 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=-2 \left (-\frac {7 x}{5}+\frac {x^2}{2}-\frac {2 (2+x)}{5 \left (-1+5 e^x\right )}\right ) \]
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Time = 0.19 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.70
method | result | size |
risch | \(-x^{2}+\frac {14 x}{5}+\frac {\frac {4 x}{5}+\frac {8}{5}}{5 \,{\mathrm e}^{x}-1}\) | \(23\) |
norman | \(\frac {x^{2}-2 x +14 \,{\mathrm e}^{x} x -5 \,{\mathrm e}^{x} x^{2}+\frac {8}{5}}{5 \,{\mathrm e}^{x}-1}\) | \(30\) |
parallelrisch | \(-\frac {25 \,{\mathrm e}^{x} x^{2}-70 \,{\mathrm e}^{x} x -5 x^{2}+10 x -8}{5 \left (5 \,{\mathrm e}^{x}-1\right )}\) | \(33\) |
default | \(2 \ln \left ({\mathrm e}^{x}\right )+\frac {8}{5 \left (5 \,{\mathrm e}^{x}-1\right )}-x^{2}+\frac {4 x \,{\mathrm e}^{x}}{5 \,{\mathrm e}^{x}-1}\) | \(35\) |
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Time = 0.24 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=\frac {5 \, x^{2} - 5 \, {\left (5 \, x^{2} - 14 \, x\right )} e^{x} - 10 \, x + 8}{5 \, {\left (5 \, e^{x} - 1\right )}} \]
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Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.58 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=- x^{2} + \frac {14 x}{5} + \frac {4 x + 8}{25 e^{x} - 5} \]
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (28) = 56\).
Time = 0.23 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.82 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=2 \, x + \frac {5 \, x^{2} - 5 \, {\left (5 \, x^{2} - 4 \, x\right )} e^{x} + 18}{5 \, {\left (5 \, e^{x} - 1\right )}} - \frac {2}{5 \, e^{x} - 1} - 2 \, \log \left (5 \, e^{x} - 1\right ) + 2 \, \log \left (e^{x} - \frac {1}{5}\right ) \]
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Time = 0.26 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.97 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=-\frac {25 \, x^{2} e^{x} - 5 \, x^{2} - 70 \, x e^{x} + 10 \, x - 8}{5 \, {\left (5 \, e^{x} - 1\right )}} \]
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Time = 9.07 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.70 \[ \int \frac {2+e^{2 x} (70-50 x)-2 x+e^x (-32+16 x)}{1-10 e^x+25 e^{2 x}} \, dx=\frac {14\,x}{5}+\frac {\frac {4\,x}{5}+\frac {8}{5}}{5\,{\mathrm {e}}^x-1}-x^2 \]
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