Integrand size = 91, antiderivative size = 23 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {x^3}{\left (12 e^{-e^{\frac {3}{x^2}}}-x\right )^2} \]
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\[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2 e^{\frac {3}{x^2}}} \left (-144 e^{\frac {3}{x^2}}+36 x^2-e^{e^{\frac {3}{x^2}}} x^3\right )}{\left (12-e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx \\ & = \int \left (\frac {144 e^{2 e^{\frac {3}{x^2}}+\frac {3}{x^2}}}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3}+\frac {e^{2 e^{\frac {3}{x^2}}} x^2 \left (-36+e^{e^{\frac {3}{x^2}}} x\right )}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3}\right ) \, dx \\ & = 144 \int \frac {e^{2 e^{\frac {3}{x^2}}+\frac {3}{x^2}}}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx+\int \frac {e^{2 e^{\frac {3}{x^2}}} x^2 \left (-36+e^{e^{\frac {3}{x^2}}} x\right )}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx \\ & = 144 \int \frac {e^{2 e^{\frac {3}{x^2}}+\frac {3}{x^2}}}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx+\int \left (-\frac {24 e^{2 e^{\frac {3}{x^2}}} x^2}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3}+\frac {e^{2 e^{\frac {3}{x^2}}} x^2}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^2}\right ) \, dx \\ & = -\left (24 \int \frac {e^{2 e^{\frac {3}{x^2}}} x^2}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx\right )+144 \int \frac {e^{2 e^{\frac {3}{x^2}}+\frac {3}{x^2}}}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^3} \, dx+\int \frac {e^{2 e^{\frac {3}{x^2}}} x^2}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^2} \, dx \\ \end{align*}
Time = 0.29 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.30 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {e^{2 e^{\frac {3}{x^2}}} x^3}{\left (-12+e^{e^{\frac {3}{x^2}}} x\right )^2} \]
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Time = 0.46 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17
method | result | size |
risch | \(\frac {x^{3} {\mathrm e}^{2 \,{\mathrm e}^{\frac {3}{x^{2}}}}}{\left (x \,{\mathrm e}^{{\mathrm e}^{\frac {3}{x^{2}}}}-12\right )^{2}}\) | \(27\) |
parallelrisch | \(\frac {{\mathrm e}^{2 \,{\mathrm e}^{\frac {3}{x^{2}}}} x^{3}}{x^{2} {\mathrm e}^{2 \,{\mathrm e}^{\frac {3}{x^{2}}}}-24 x \,{\mathrm e}^{{\mathrm e}^{\frac {3}{x^{2}}}}+144}\) | \(41\) |
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Leaf count of result is larger than twice the leaf count of optimal. 40 vs. \(2 (19) = 38\).
Time = 0.26 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.74 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {x^{3} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )}}{x^{2} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )} - 24 \, x e^{\left (e^{\left (\frac {3}{x^{2}}\right )}\right )} + 144} \]
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (15) = 30\).
Time = 0.09 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.91 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=x + \frac {24 x^{2} e^{e^{\frac {3}{x^{2}}}} - 144 x}{x^{2} e^{2 e^{\frac {3}{x^{2}}}} - 24 x e^{e^{\frac {3}{x^{2}}}} + 144} \]
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Leaf count of result is larger than twice the leaf count of optimal. 40 vs. \(2 (19) = 38\).
Time = 0.23 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.74 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {x^{3} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )}}{x^{2} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )} - 24 \, x e^{\left (e^{\left (\frac {3}{x^{2}}\right )}\right )} + 144} \]
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Leaf count of result is larger than twice the leaf count of optimal. 40 vs. \(2 (19) = 38\).
Time = 0.30 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.74 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {x^{3} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )}}{x^{2} e^{\left (2 \, e^{\left (\frac {3}{x^{2}}\right )}\right )} - 24 \, x e^{\left (e^{\left (\frac {3}{x^{2}}\right )}\right )} + 144} \]
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Time = 7.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13 \[ \int \frac {e^{3 e^{\frac {3}{x^2}}} x^3+e^{2 e^{\frac {3}{x^2}}} \left (144 e^{\frac {3}{x^2}}-36 x^2\right )}{-1728+432 e^{e^{\frac {3}{x^2}}} x-36 e^{2 e^{\frac {3}{x^2}}} x^2+e^{3 e^{\frac {3}{x^2}}} x^3} \, dx=\frac {x^3\,{\mathrm {e}}^{2\,{\mathrm {e}}^{\frac {3}{x^2}}}}{{\left (x\,{\mathrm {e}}^{{\mathrm {e}}^{\frac {3}{x^2}}}-12\right )}^2} \]
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