Integrand size = 113, antiderivative size = 21 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \log \left (\log \left (-15+\log \left (e^{\frac {1}{x^2}}+\frac {e^x}{\log ^2(2)}\right )\right )\right ) \]
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Time = 0.26 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.24, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.009, Rules used = {6816} \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \log \left (\log \left (\log \left (\frac {e^{\frac {1}{x^2}} \log ^2(2)+e^x}{\log ^2(2)}\right )-15\right )\right ) \]
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Rule 6816
Rubi steps \begin{align*} \text {integral}& = 4 \log \left (\log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )\right ) \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \log \left (\log \left (-15+\log \left (e^{\frac {1}{x^2}}+\frac {e^x}{\log ^2(2)}\right )\right )\right ) \]
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Time = 0.07 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.19
\[4 \ln \left (\ln \left (\ln \left (\frac {{\mathrm e}^{x}+\ln \left (2\right )^{2} {\mathrm e}^{\frac {1}{x^{2}}}}{\ln \left (2\right )^{2}}\right )-15\right )\right )\]
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none
Time = 0.25 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \, \log \left (\log \left (\log \left (\frac {e^{\left (\frac {1}{x^{2}}\right )} \log \left (2\right )^{2} + e^{x}}{\log \left (2\right )^{2}}\right ) - 15\right )\right ) \]
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Timed out. \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=\text {Timed out} \]
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Time = 0.33 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \, \log \left (\log \left (\log \left (e^{\left (\frac {1}{x^{2}}\right )} \log \left (2\right )^{2} + e^{x}\right ) - 2 \, \log \left (\log \left (2\right )\right ) - 15\right )\right ) \]
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Time = 0.35 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4 \, \log \left (\log \left (\log \left (e^{\left (\frac {1}{x^{2}}\right )} \log \left (2\right )^{2} + e^{x}\right ) - 2 \, \log \left (\log \left (2\right )\right ) - 15\right )\right ) \]
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Time = 9.96 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {4 e^x x^3-8 e^{\frac {1}{x^2}} \log ^2(2)}{\left (-15 e^x x^3-15 e^{\frac {1}{x^2}} x^3 \log ^2(2)+\left (e^x x^3+e^{\frac {1}{x^2}} x^3 \log ^2(2)\right ) \log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right ) \log \left (-15+\log \left (\frac {e^x+e^{\frac {1}{x^2}} \log ^2(2)}{\log ^2(2)}\right )\right )} \, dx=4\,\ln \left (\ln \left (\ln \left (\frac {{\mathrm {e}}^x+{\mathrm {e}}^{\frac {1}{x^2}}\,{\ln \left (2\right )}^2}{{\ln \left (2\right )}^2}\right )-15\right )\right ) \]
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