Integrand size = 70, antiderivative size = 11 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{-1+\frac {25}{(-12+x)^4}} \]
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\[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=\int -\frac {100 \exp \left (\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}\right )}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = -\left (100 \int \frac {\exp \left (\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}\right )}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx\right ) \\ & = -\left (100 \int \frac {e^{-\frac {20711-6912 x+864 x^2-48 x^3+x^4}{(-12+x)^4}}}{(-12+x)^5} \, dx\right ) \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{-1+\frac {25}{(-12+x)^4}} \]
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Time = 0.28 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.09
method | result | size |
derivativedivides | \({\mathrm e}^{\frac {25}{\left (x -12\right )^{4}}} {\mathrm e}^{-1}\) | \(12\) |
default | \({\mathrm e}^{\frac {25}{\left (x -12\right )^{4}}} {\mathrm e}^{-1}\) | \(12\) |
risch | \({\mathrm e}^{-\frac {\left (x^{2}-24 x +149\right ) \left (x^{2}-24 x +139\right )}{\left (x -12\right )^{4}}}\) | \(25\) |
gosper | \({\mathrm e}^{-\frac {x^{4}-48 x^{3}+864 x^{2}-6912 x +20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}\) | \(42\) |
parallelrisch | \({\mathrm e}^{-\frac {x^{4}-48 x^{3}+864 x^{2}-6912 x +20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}\) | \(42\) |
norman | \(\frac {x^{4} {\mathrm e}^{\frac {-x^{4}+48 x^{3}-864 x^{2}+6912 x -20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}-6912 x \,{\mathrm e}^{\frac {-x^{4}+48 x^{3}-864 x^{2}+6912 x -20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}+864 x^{2} {\mathrm e}^{\frac {-x^{4}+48 x^{3}-864 x^{2}+6912 x -20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}-48 x^{3} {\mathrm e}^{\frac {-x^{4}+48 x^{3}-864 x^{2}+6912 x -20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}+20736 \,{\mathrm e}^{\frac {-x^{4}+48 x^{3}-864 x^{2}+6912 x -20711}{x^{4}-48 x^{3}+864 x^{2}-6912 x +20736}}}{\left (x -12\right )^{4}}\) | \(237\) |
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Leaf count of result is larger than twice the leaf count of optimal. 41 vs. \(2 (10) = 20\).
Time = 0.30 (sec) , antiderivative size = 41, normalized size of antiderivative = 3.73 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{\left (-\frac {x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20711}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736}\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 37 vs. \(2 (8) = 16\).
Time = 0.11 (sec) , antiderivative size = 37, normalized size of antiderivative = 3.36 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{\frac {- x^{4} + 48 x^{3} - 864 x^{2} + 6912 x - 20711}{x^{4} - 48 x^{3} + 864 x^{2} - 6912 x + 20736}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 25 vs. \(2 (10) = 20\).
Time = 0.22 (sec) , antiderivative size = 25, normalized size of antiderivative = 2.27 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{\left (\frac {25}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736} - 1\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 122 vs. \(2 (10) = 20\).
Time = 0.29 (sec) , antiderivative size = 122, normalized size of antiderivative = 11.09 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx=e^{\left (-\frac {x^{4}}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736} + \frac {48 \, x^{3}}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736} - \frac {864 \, x^{2}}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736} + \frac {6912 \, x}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736} - \frac {20711}{x^{4} - 48 \, x^{3} + 864 \, x^{2} - 6912 \, x + 20736}\right )} \]
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Time = 11.70 (sec) , antiderivative size = 126, normalized size of antiderivative = 11.45 \[ \int -\frac {100 e^{\frac {-20711+6912 x-864 x^2+48 x^3-x^4}{20736-6912 x+864 x^2-48 x^3+x^4}}}{-248832+103680 x-17280 x^2+1440 x^3-60 x^4+x^5} \, dx={\mathrm {e}}^{\frac {6912\,x}{x^4-48\,x^3+864\,x^2-6912\,x+20736}}\,{\mathrm {e}}^{-\frac {x^4}{x^4-48\,x^3+864\,x^2-6912\,x+20736}}\,{\mathrm {e}}^{\frac {48\,x^3}{x^4-48\,x^3+864\,x^2-6912\,x+20736}}\,{\mathrm {e}}^{-\frac {864\,x^2}{x^4-48\,x^3+864\,x^2-6912\,x+20736}}\,{\mathrm {e}}^{-\frac {20711}{x^4-48\,x^3+864\,x^2-6912\,x+20736}} \]
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