Integrand size = 18, antiderivative size = 13 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=-1+e^{\frac {4}{3 x^3}} x \]
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Time = 0.02 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.85, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {2326} \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=e^{\frac {4}{3 x^3}} x \]
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Rule 2326
Rubi steps \begin{align*} \text {integral}& = e^{\frac {4}{3 x^3}} x \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.85 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=e^{\frac {4}{3 x^3}} x \]
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Time = 0.19 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.69
method | result | size |
risch | \(x \,{\mathrm e}^{\frac {4}{3 x^{3}}}\) | \(9\) |
gosper | \(x \,{\mathrm e}^{\frac {4}{3 x^{3}}}\) | \(11\) |
norman | \(x \,{\mathrm e}^{\frac {4}{3 x^{3}}}\) | \(11\) |
parallelrisch | \(x \,{\mathrm e}^{\frac {4}{3 x^{3}}}\) | \(11\) |
meijerg | \(-\frac {3^{\frac {2}{3}} 4^{\frac {1}{3}} \left (-1\right )^{\frac {1}{3}} \left (-\frac {3 \left (-1\right )^{\frac {2}{3}} \Gamma \left (\frac {2}{3}\right )}{x^{2} \left (-\frac {1}{x^{3}}\right )^{\frac {2}{3}}}+\frac {3 \,3^{\frac {1}{3}} 4^{\frac {2}{3}} x \left (-1\right )^{\frac {2}{3}} {\mathrm e}^{\frac {4}{3 x^{3}}}}{4}+\frac {3 \left (-1\right )^{\frac {2}{3}} \Gamma \left (\frac {2}{3}, -\frac {4}{3 x^{3}}\right )}{x^{2} \left (-\frac {1}{x^{3}}\right )^{\frac {2}{3}}}\right )}{9}-\frac {3^{\frac {2}{3}} 4^{\frac {1}{3}} \left (-1\right )^{\frac {1}{3}} \left (\frac {\left (-1\right )^{\frac {2}{3}} \Gamma \left (\frac {2}{3}\right )}{x^{2} \left (-\frac {1}{x^{3}}\right )^{\frac {2}{3}}}-\frac {\left (-1\right )^{\frac {2}{3}} \Gamma \left (\frac {2}{3}, -\frac {4}{3 x^{3}}\right )}{x^{2} \left (-\frac {1}{x^{3}}\right )^{\frac {2}{3}}}\right )}{3}\) | \(121\) |
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none
Time = 0.23 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=x e^{\left (\frac {4}{3 \, x^{3}}\right )} \]
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Time = 0.05 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=x e^{\frac {4}{3 x^{3}}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.21 (sec) , antiderivative size = 43, normalized size of antiderivative = 3.31 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=\frac {1}{3} \, \left (\frac {4}{3}\right )^{\frac {1}{3}} x \left (-\frac {1}{x^{3}}\right )^{\frac {1}{3}} \Gamma \left (-\frac {1}{3}, -\frac {4}{3 \, x^{3}}\right ) - \frac {\left (\frac {4}{3}\right )^{\frac {1}{3}} \Gamma \left (\frac {2}{3}, -\frac {4}{3 \, x^{3}}\right )}{x^{2} \left (-\frac {1}{x^{3}}\right )^{\frac {2}{3}}} \]
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none
Time = 0.29 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=x e^{\left (\frac {4}{3 \, x^{3}}\right )} \]
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Time = 11.64 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.62 \[ \int \frac {e^{\frac {4}{3 x^3}} \left (-4+x^3\right )}{x^3} \, dx=x\,{\mathrm {e}}^{\frac {4}{3\,x^3}} \]
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