Integrand size = 82, antiderivative size = 36 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=\frac {1}{7} \left (-4+\frac {\left (e^{\frac {1}{25} (-2+x)^2 x^2}+\frac {x}{5}\right )^2}{x}-x\right ) x \]
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Leaf count is larger than twice the leaf count of optimal. \(89\) vs. \(2(36)=72\).
Time = 0.12 (sec) , antiderivative size = 89, normalized size of antiderivative = 2.47, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.049, Rules used = {12, 1608, 6838, 2326} \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=-\frac {24 x^2}{175}+\frac {1}{7} e^{\frac {2}{25} \left (x^4-4 x^3+4 x^2\right )}+\frac {2 e^{\frac {1}{25} \left (x^4-4 x^3+4 x^2\right )} \left (x^4-3 x^3+2 x^2\right )}{35 \left (x^3-3 x^2+2 x\right )}-\frac {4 x}{7} \]
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Rule 12
Rule 1608
Rule 2326
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \frac {1}{875} \int \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx \\ & = -\frac {4 x}{7}-\frac {24 x^2}{175}+\frac {1}{875} \int e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right ) \, dx+\frac {1}{875} \int e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right ) \, dx \\ & = -\frac {4 x}{7}-\frac {24 x^2}{175}+\frac {2 e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (2 x^2-3 x^3+x^4\right )}{35 \left (2 x-3 x^2+x^3\right )}+\frac {1}{875} \int e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} x \left (80-120 x+40 x^2\right ) \, dx \\ & = \frac {1}{7} e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )}-\frac {4 x}{7}-\frac {24 x^2}{175}+\frac {2 e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (2 x^2-3 x^3+x^4\right )}{35 \left (2 x-3 x^2+x^3\right )} \\ \end{align*}
Time = 0.95 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.28 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=\frac {1}{175} \left (25 e^{\frac {2}{25} (-2+x)^2 x^2}+10 e^{\frac {1}{25} (-2+x)^2 x^2} x-4 x (25+6 x)\right ) \]
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Time = 0.15 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.03
method | result | size |
risch | \(-\frac {4 x}{7}+\frac {{\mathrm e}^{\frac {2 x^{2} \left (-2+x \right )^{2}}{25}}}{7}+\frac {2 \,{\mathrm e}^{\frac {x^{2} \left (-2+x \right )^{2}}{25}} x}{35}-\frac {24 x^{2}}{175}\) | \(37\) |
parallelrisch | \(-\frac {24 x^{2}}{175}+\frac {2 x \,{\mathrm e}^{\frac {x^{2} \left (x^{2}-4 x +4\right )}{25}}}{35}+\frac {{\mathrm e}^{\frac {2 x^{2} \left (x^{2}-4 x +4\right )}{25}}}{7}-\frac {4 x}{7}\) | \(45\) |
default | \(-\frac {4 x}{7}+\frac {{\mathrm e}^{\frac {2}{25} x^{4}-\frac {8}{25} x^{3}+\frac {8}{25} x^{2}}}{7}+\frac {2 \,{\mathrm e}^{\frac {1}{25} x^{4}-\frac {4}{25} x^{3}+\frac {4}{25} x^{2}} x}{35}-\frac {24 x^{2}}{175}\) | \(51\) |
norman | \(-\frac {4 x}{7}+\frac {{\mathrm e}^{\frac {2}{25} x^{4}-\frac {8}{25} x^{3}+\frac {8}{25} x^{2}}}{7}+\frac {2 \,{\mathrm e}^{\frac {1}{25} x^{4}-\frac {4}{25} x^{3}+\frac {4}{25} x^{2}} x}{35}-\frac {24 x^{2}}{175}\) | \(51\) |
parts | \(-\frac {4 x}{7}+\frac {{\mathrm e}^{\frac {2}{25} x^{4}-\frac {8}{25} x^{3}+\frac {8}{25} x^{2}}}{7}+\frac {2 \,{\mathrm e}^{\frac {1}{25} x^{4}-\frac {4}{25} x^{3}+\frac {4}{25} x^{2}} x}{35}-\frac {24 x^{2}}{175}\) | \(51\) |
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Time = 0.26 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.33 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=-\frac {24}{175} \, x^{2} + \frac {2}{35} \, x e^{\left (\frac {1}{25} \, x^{4} - \frac {4}{25} \, x^{3} + \frac {4}{25} \, x^{2}\right )} - \frac {4}{7} \, x + \frac {1}{7} \, e^{\left (\frac {2}{25} \, x^{4} - \frac {8}{25} \, x^{3} + \frac {8}{25} \, x^{2}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.67 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=- \frac {24 x^{2}}{175} + \frac {2 x e^{\frac {x^{4}}{25} - \frac {4 x^{3}}{25} + \frac {4 x^{2}}{25}}}{35} - \frac {4 x}{7} + \frac {e^{\frac {2 x^{4}}{25} - \frac {8 x^{3}}{25} + \frac {8 x^{2}}{25}}}{7} \]
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Time = 0.19 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.33 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=-\frac {24}{175} \, x^{2} + \frac {2}{35} \, x e^{\left (\frac {1}{25} \, x^{4} - \frac {4}{25} \, x^{3} + \frac {4}{25} \, x^{2}\right )} - \frac {4}{7} \, x + \frac {1}{7} \, e^{\left (\frac {2}{25} \, x^{4} - \frac {8}{25} \, x^{3} + \frac {8}{25} \, x^{2}\right )} \]
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Time = 0.28 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.33 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=-\frac {24}{175} \, x^{2} + \frac {2}{35} \, x e^{\left (\frac {1}{25} \, x^{4} - \frac {4}{25} \, x^{3} + \frac {4}{25} \, x^{2}\right )} - \frac {4}{7} \, x + \frac {1}{7} \, e^{\left (\frac {2}{25} \, x^{4} - \frac {8}{25} \, x^{3} + \frac {8}{25} \, x^{2}\right )} \]
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Time = 11.90 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.33 \[ \int \frac {1}{875} \left (-500-240 x+e^{\frac {2}{25} \left (4 x^2-4 x^3+x^4\right )} \left (80 x-120 x^2+40 x^3\right )+e^{\frac {1}{25} \left (4 x^2-4 x^3+x^4\right )} \left (50+16 x^2-24 x^3+8 x^4\right )\right ) \, dx=\frac {{\mathrm {e}}^{\frac {2\,x^4}{25}-\frac {8\,x^3}{25}+\frac {8\,x^2}{25}}}{7}-\frac {4\,x}{7}+\frac {2\,x\,{\mathrm {e}}^{\frac {x^4}{25}-\frac {4\,x^3}{25}+\frac {4\,x^2}{25}}}{35}-\frac {24\,x^2}{175} \]
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