Integrand size = 59, antiderivative size = 20 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {1}{6} \left (3 e^{-\frac {e^8}{x^4}}+x\right )^2 \]
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Time = 0.44 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.70, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.085, Rules used = {12, 6873, 6874, 2240, 2326} \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=e^{-\frac {e^8}{x^4}} x+\frac {3}{2} e^{-\frac {2 e^8}{x^4}}+\frac {x^2}{6} \]
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Rule 12
Rule 2240
Rule 2326
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{x^5} \, dx \\ & = \frac {1}{3} \int \frac {e^{-\frac {2 e^8}{x^4}} \left (3+e^{\frac {e^8}{x^4}} x\right ) \left (12 e^8+e^{\frac {e^8}{x^4}} x^5\right )}{x^5} \, dx \\ & = \frac {1}{3} \int \left (\frac {36 e^{8-\frac {2 e^8}{x^4}}}{x^5}+x+\frac {3 e^{-\frac {e^8}{x^4}} \left (4 e^8+x^4\right )}{x^4}\right ) \, dx \\ & = \frac {x^2}{6}+12 \int \frac {e^{8-\frac {2 e^8}{x^4}}}{x^5} \, dx+\int \frac {e^{-\frac {e^8}{x^4}} \left (4 e^8+x^4\right )}{x^4} \, dx \\ & = \frac {3}{2} e^{-\frac {2 e^8}{x^4}}+e^{-\frac {e^8}{x^4}} x+\frac {x^2}{6} \\ \end{align*}
Time = 0.10 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.45 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {1}{6} e^{-\frac {2 e^8}{x^4}} \left (3+e^{\frac {e^8}{x^4}} x\right )^2 \]
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Time = 1.15 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.35
method | result | size |
risch | \(\frac {x^{2}}{6}+x \,{\mathrm e}^{-\frac {{\mathrm e}^{8}}{x^{4}}}+\frac {3 \,{\mathrm e}^{-\frac {2 \,{\mathrm e}^{8}}{x^{4}}}}{2}\) | \(27\) |
parts | \(\frac {x^{2}}{6}+x \,{\mathrm e}^{-\frac {{\mathrm e}^{8}}{x^{4}}}+\frac {3 \,{\mathrm e}^{-\frac {2 \,{\mathrm e}^{8}}{x^{4}}}}{2}\) | \(33\) |
norman | \(\frac {\left ({\mathrm e}^{\frac {{\mathrm e}^{8}}{x^{4}}} x^{5}+\frac {3 x^{4}}{2}+\frac {x^{6} {\mathrm e}^{\frac {2 \,{\mathrm e}^{8}}{x^{4}}}}{6}\right ) {\mathrm e}^{-\frac {2 \,{\mathrm e}^{8}}{x^{4}}}}{x^{4}}\) | \(51\) |
parallelrisch | \(-\frac {\left (-x^{6} {\mathrm e}^{\frac {2 \,{\mathrm e}^{8}}{x^{4}}}-6 \,{\mathrm e}^{\frac {{\mathrm e}^{8}}{x^{4}}} x^{5}-9 x^{4}\right ) {\mathrm e}^{-\frac {2 \,{\mathrm e}^{8}}{x^{4}}}}{6 x^{4}}\) | \(53\) |
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Leaf count of result is larger than twice the leaf count of optimal. 34 vs. \(2 (16) = 32\).
Time = 0.26 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.70 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {1}{6} \, {\left (x^{2} e^{\left (\frac {2 \, e^{8}}{x^{4}}\right )} + 6 \, x e^{\left (\frac {e^{8}}{x^{4}}\right )} + 9\right )} e^{\left (-\frac {2 \, e^{8}}{x^{4}}\right )} \]
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Time = 0.13 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.35 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {x^{2}}{6} + x e^{- \frac {e^{8}}{x^{4}}} + \frac {3 e^{- \frac {2 e^{8}}{x^{4}}}}{2} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.23 (sec) , antiderivative size = 53, normalized size of antiderivative = 2.65 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {1}{4} \, x \frac {1}{x^{4}}^{\frac {1}{4}} e^{2} \Gamma \left (-\frac {1}{4}, \frac {e^{8}}{x^{4}}\right ) + \frac {1}{6} \, x^{2} + \frac {{\left (x^{4}\right )}^{\frac {3}{4}} e^{2} \Gamma \left (\frac {3}{4}, \frac {e^{8}}{x^{4}}\right )}{x^{3}} + \frac {3}{2} \, e^{\left (-\frac {2 \, e^{8}}{x^{4}}\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 35 vs. \(2 (16) = 32\).
Time = 0.29 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.75 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {1}{6} \, x^{2} + x e^{\left (\frac {8 \, x^{4} - e^{8}}{x^{4}} - 8\right )} + \frac {3}{2} \, e^{\left (-\frac {2 \, e^{8}}{x^{4}}\right )} \]
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Time = 12.37 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.15 \[ \int \frac {e^{-\frac {2 e^8}{x^4}} \left (36 e^8+e^{\frac {2 e^8}{x^4}} x^6+e^{\frac {e^8}{x^4}} \left (12 e^8 x+3 x^5\right )\right )}{3 x^5} \, dx=\frac {{\mathrm {e}}^{-\frac {2\,{\mathrm {e}}^8}{x^4}}\,{\left (x\,{\mathrm {e}}^{\frac {{\mathrm {e}}^8}{x^4}}+3\right )}^2}{6} \]
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