Integrand size = 89, antiderivative size = 27 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=\frac {5}{e^{e^2+x}-x+\frac {x (16+x)}{1-x}} \]
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\[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=\int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {5 \left (-15-e^{e^2+x} (-1+x)^2-4 x+2 x^2\right )}{\left (e^{e^2+x} (-1+x)-x (15+2 x)\right )^2} \, dx \\ & = 5 \int \frac {-15-e^{e^2+x} (-1+x)^2-4 x+2 x^2}{\left (e^{e^2+x} (-1+x)-x (15+2 x)\right )^2} \, dx \\ & = 5 \int \left (\frac {-1+x}{e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2}-\frac {15-11 x+11 x^2+2 x^3}{\left (-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2\right )^2}\right ) \, dx \\ & = 5 \int \frac {-1+x}{e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2} \, dx-5 \int \frac {15-11 x+11 x^2+2 x^3}{\left (-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2\right )^2} \, dx \\ & = -\left (5 \int \left (\frac {15}{\left (-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2\right )^2}-\frac {11 x}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2}+\frac {11 x^2}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2}+\frac {2 x^3}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2}\right ) \, dx\right )+5 \int \left (\frac {1}{-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2}+\frac {x}{e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2}\right ) \, dx \\ & = 5 \int \frac {1}{-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2} \, dx+5 \int \frac {x}{e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2} \, dx-10 \int \frac {x^3}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2} \, dx+55 \int \frac {x}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2} \, dx-55 \int \frac {x^2}{\left (e^{e^2+x}+15 x-e^{e^2+x} x+2 x^2\right )^2} \, dx-75 \int \frac {1}{\left (-e^{e^2+x}-15 x+e^{e^2+x} x-2 x^2\right )^2} \, dx \\ \end{align*}
Time = 2.47 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=-\frac {5 (-1+x)}{-e^{e^2+x} (-1+x)+x (15+2 x)} \]
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Time = 0.80 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.11
method | result | size |
risch | \(-\frac {5 \left (-1+x \right )}{2 x^{2}-{\mathrm e}^{x +{\mathrm e}^{2}} x +15 x +{\mathrm e}^{x +{\mathrm e}^{2}}}\) | \(30\) |
norman | \(\frac {-5 x +5}{2 x^{2}-{\mathrm e}^{x +{\mathrm e}^{2}} x +15 x +{\mathrm e}^{x +{\mathrm e}^{2}}}\) | \(31\) |
parallelrisch | \(-\frac {5 x -5}{2 x^{2}-{\mathrm e}^{x +{\mathrm e}^{2}} x +15 x +{\mathrm e}^{x +{\mathrm e}^{2}}}\) | \(32\) |
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Time = 0.26 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=-\frac {5 \, {\left (x - 1\right )}}{2 \, x^{2} - {\left (x - 1\right )} e^{\left (x + e^{2}\right )} + 15 \, x} \]
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Time = 0.10 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.81 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=\frac {5 x - 5}{- 2 x^{2} - 15 x + \left (x - 1\right ) e^{x + e^{2}}} \]
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Time = 0.25 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.15 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=-\frac {5 \, {\left (x - 1\right )}}{2 \, x^{2} - {\left (x e^{\left (e^{2}\right )} - e^{\left (e^{2}\right )}\right )} e^{x} + 15 \, x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (23) = 46\).
Time = 0.35 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.96 \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=-\frac {5 \, {\left (x - 1\right )}}{2 \, {\left (x + e^{2}\right )}^{2} - 4 \, {\left (x + e^{2}\right )} e^{2} - {\left (x + e^{2}\right )} e^{\left (x + e^{2}\right )} + 15 \, x + 2 \, e^{4} + e^{\left (x + e^{2} + 2\right )} + e^{\left (x + e^{2}\right )}} \]
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Timed out. \[ \int \frac {-75-20 x+10 x^2+e^{e^2+x} \left (-5+10 x-5 x^2\right )}{225 x^2+60 x^3+4 x^4+e^{2 e^2+2 x} \left (1-2 x+x^2\right )+e^{e^2+x} \left (30 x-26 x^2-4 x^3\right )} \, dx=\int -\frac {20\,x+{\mathrm {e}}^{x+{\mathrm {e}}^2}\,\left (5\,x^2-10\,x+5\right )-10\,x^2+75}{{\mathrm {e}}^{2\,x+2\,{\mathrm {e}}^2}\,\left (x^2-2\,x+1\right )-{\mathrm {e}}^{x+{\mathrm {e}}^2}\,\left (4\,x^3+26\,x^2-30\,x\right )+225\,x^2+60\,x^3+4\,x^4} \,d x \]
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