Integrand size = 56, antiderivative size = 23 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^2 \log (x)} \]
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\[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx \\ & = \int \left (-\frac {4 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log ^2(x)}+\frac {8 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \left (-1+4 x+2 x^2-4 \log \left (\frac {1}{x^2}\right )-2 x \log \left (\frac {1}{x^2}\right )\right )}{x^3 \log (x)}\right ) \, dx \\ & = -\left (4 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log ^2(x)} \, dx\right )+8 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \left (-1+4 x+2 x^2-4 \log \left (\frac {1}{x^2}\right )-2 x \log \left (\frac {1}{x^2}\right )\right )}{x^3 \log (x)} \, dx \\ & = -\left (4 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log ^2(x)} \, dx\right )+8 \int \left (-\frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log (x)}+\frac {4 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^2 \log (x)}+\frac {2 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x \log (x)}-\frac {4 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \log \left (\frac {1}{x^2}\right )}{x^3 \log (x)}-\frac {2 e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \log \left (\frac {1}{x^2}\right )}{x^2 \log (x)}\right ) \, dx \\ & = -\left (4 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log ^2(x)} \, dx\right )-8 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^3 \log (x)} \, dx+16 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x \log (x)} \, dx-16 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \log \left (\frac {1}{x^2}\right )}{x^2 \log (x)} \, dx+32 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2}}{x^2 \log (x)} \, dx-32 \int \frac {e^{2 \left (x-\log \left (\frac {1}{x^2}\right )\right )^2} \log \left (\frac {1}{x^2}\right )}{x^3 \log (x)} \, dx \\ \end{align*}
Time = 0.70 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.26 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4 e^{2 \left (x^2+\log ^2\left (\frac {1}{x^2}\right )\right )} \left (\frac {1}{x^2}\right )^{1-4 x}}{\log (x)} \]
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Time = 0.34 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.30
method | result | size |
parallelrisch | \(\frac {4 \,{\mathrm e}^{2 \ln \left (\frac {1}{x^{2}}\right )^{2}-4 x \ln \left (\frac {1}{x^{2}}\right )+2 x^{2}}}{x^{2} \ln \left (x \right )}\) | \(30\) |
risch | \(\frac {4 \,{\mathrm e}^{\frac {{\left (-i \pi \operatorname {csgn}\left (i x^{2}\right )^{3}+2 i \pi \operatorname {csgn}\left (i x^{2}\right )^{2} \operatorname {csgn}\left (i x \right )-i \pi \,\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i x \right )^{2}+4 \ln \left (x \right )+2 x \right )}^{2}}{2}}}{x^{2} \ln \left (x \right )}\) | \(72\) |
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Time = 0.25 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.43 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=-\frac {8 \, e^{\left (2 \, x^{2} - 4 \, x \log \left (\frac {1}{x^{2}}\right ) + 2 \, \log \left (\frac {1}{x^{2}}\right )^{2}\right )}}{x^{2} \log \left (\frac {1}{x^{2}}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4 e^{2 x^{2} + 8 x \log {\left (x \right )} + 8 \log {\left (x \right )}^{2}}}{x^{2} \log {\left (x \right )}} \]
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Time = 0.32 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4 \, e^{\left (2 \, x^{2} + 8 \, x \log \left (x\right ) + 8 \, \log \left (x\right )^{2}\right )}}{x^{2} \log \left (x\right )} \]
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Time = 0.42 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.17 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4 \, e^{\left (2 \, x^{2} + 8 \, x \log \left (x\right ) + 8 \, \log \left (x\right )^{2}\right )}}{x^{2} \log \left (x\right )} \]
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Time = 13.70 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.26 \[ \int \frac {e^{2 x^2-4 x \log \left (\frac {1}{x^2}\right )+2 \log ^2\left (\frac {1}{x^2}\right )} \left (-4+\left (-8+32 x+16 x^2+(-32-16 x) \log \left (\frac {1}{x^2}\right )\right ) \log (x)\right )}{x^3 \log ^2(x)} \, dx=\frac {4\,{\mathrm {e}}^{2\,{\ln \left (\frac {1}{x^2}\right )}^2}\,{\mathrm {e}}^{2\,x^2}\,{\left (x^8\right )}^x}{x^2\,\ln \left (x\right )} \]
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