Integrand size = 34, antiderivative size = 23 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=3-e^{\frac {e^{x^2}}{x}}+\log (4)-\frac {\log (x)}{3} \]
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\[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=\int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {1}{3} \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{x^2} \, dx \\ & = \frac {1}{3} \int \left (-\frac {1}{x}-\frac {3 e^{\frac {e^{x^2}}{x}+x^2} \left (-1+2 x^2\right )}{x^2}\right ) \, dx \\ & = -\frac {\log (x)}{3}-\int \frac {e^{\frac {e^{x^2}}{x}+x^2} \left (-1+2 x^2\right )}{x^2} \, dx \\ & = -\frac {\log (x)}{3}-\int \left (2 e^{\frac {e^{x^2}}{x}+x^2}-\frac {e^{\frac {e^{x^2}}{x}+x^2}}{x^2}\right ) \, dx \\ & = -\frac {\log (x)}{3}-2 \int e^{\frac {e^{x^2}}{x}+x^2} \, dx+\int \frac {e^{\frac {e^{x^2}}{x}+x^2}}{x^2} \, dx \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=\frac {1}{3} \left (-3 e^{\frac {e^{x^2}}{x}}-\log (x)\right ) \]
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Time = 0.07 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.74
method | result | size |
norman | \(-{\mathrm e}^{\frac {{\mathrm e}^{x^{2}}}{x}}-\frac {\ln \left (x \right )}{3}\) | \(17\) |
risch | \(-{\mathrm e}^{\frac {{\mathrm e}^{x^{2}}}{x}}-\frac {\ln \left (x \right )}{3}\) | \(17\) |
parallelrisch | \(-{\mathrm e}^{\frac {{\mathrm e}^{x^{2}}}{x}}-\frac {\ln \left (x \right )}{3}\) | \(17\) |
parts | \(-{\mathrm e}^{\frac {{\mathrm e}^{x^{2}}}{x}}-\frac {\ln \left (x \right )}{3}\) | \(17\) |
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Time = 0.24 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.35 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=-\frac {1}{3} \, {\left (e^{\left (x^{2}\right )} \log \left (x\right ) + 3 \, e^{\left (\frac {x^{3} + e^{\left (x^{2}\right )}}{x}\right )}\right )} e^{\left (-x^{2}\right )} \]
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Time = 0.11 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.61 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=- e^{\frac {e^{x^{2}}}{x}} - \frac {\log {\left (x \right )}}{3} \]
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=-e^{\left (\frac {e^{\left (x^{2}\right )}}{x}\right )} - \frac {1}{3} \, \log \left (x\right ) \]
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\[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=\int { -\frac {3 \, {\left (2 \, x^{2} - 1\right )} e^{\left (x^{2} + \frac {e^{\left (x^{2}\right )}}{x}\right )} + x}{3 \, x^{2}} \,d x } \]
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Time = 11.68 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.70 \[ \int \frac {-x+e^{\frac {e^{x^2}}{x}+x^2} \left (3-6 x^2\right )}{3 x^2} \, dx=-{\mathrm {e}}^{\frac {{\mathrm {e}}^{x^2}}{x}}-\frac {\ln \left (x\right )}{3} \]
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