Integrand size = 27, antiderivative size = 13 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{-2+\frac {16}{x^2 \log ^2(x)}} \]
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Time = 0.19 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.037, Rules used = {6838} \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{\frac {16}{x^2 \log ^2(x)}-2} \]
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Rule 6838
Rubi steps \begin{align*} \text {integral}& = e^{-2+\frac {16}{x^2 \log ^2(x)}} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{-2+\frac {16}{x^2 \log ^2(x)}} \]
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Time = 0.33 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.62
method | result | size |
risch | \({\mathrm e}^{-\frac {2 \left (x^{2} \ln \left (x \right )^{2}-8\right )}{\ln \left (x \right )^{2} x^{2}}}\) | \(21\) |
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.54 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{\left (-\frac {2 \, {\left (x^{2} \log \left (x\right )^{2} - 8\right )}}{x^{2} \log \left (x\right )^{2}}\right )} \]
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Time = 0.10 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.08 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=\frac {e^{\frac {16}{x^{2} \log {\left (x \right )}^{2}}}}{e^{2}} \]
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none
Time = 0.28 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{\left (\frac {16}{x^{2} \log \left (x\right )^{2}} - 2\right )} \]
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none
Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.92 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx=e^{\left (\frac {16}{x^{2} \log \left (x\right )^{2}} - 2\right )} \]
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Time = 12.65 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2+\frac {16}{x^2 \log ^2(x)}} (-32-32 \log (x))}{x^3 \log ^3(x)} \, dx={\mathrm {e}}^{-2}\,{\mathrm {e}}^{\frac {16}{x^2\,{\ln \left (x\right )}^2}} \]
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