Integrand size = 64, antiderivative size = 24 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {18 \left (2+\frac {1}{16} \left (-3+x+\log ^2\left (2+e^{15+x}\right )\right )\right )}{x} \]
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\[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {9 \left (-29+\frac {2 e^{15+x} x \log \left (2+e^{15+x}\right )}{2+e^{15+x}}-\log ^2\left (2+e^{15+x}\right )\right )}{8 x^2} \, dx \\ & = \frac {9}{8} \int \frac {-29+\frac {2 e^{15+x} x \log \left (2+e^{15+x}\right )}{2+e^{15+x}}-\log ^2\left (2+e^{15+x}\right )}{x^2} \, dx \\ & = \frac {9}{8} \int \left (-\frac {4 \log \left (2+e^{15+x}\right )}{\left (2+e^{15+x}\right ) x}+\frac {-29+2 x \log \left (2+e^{15+x}\right )-\log ^2\left (2+e^{15+x}\right )}{x^2}\right ) \, dx \\ & = \frac {9}{8} \int \frac {-29+2 x \log \left (2+e^{15+x}\right )-\log ^2\left (2+e^{15+x}\right )}{x^2} \, dx-\frac {9}{2} \int \frac {\log \left (2+e^{15+x}\right )}{\left (2+e^{15+x}\right ) x} \, dx \\ & = \frac {9}{8} \int \left (-\frac {29}{x^2}+\frac {2 \log \left (2+e^{15+x}\right )}{x}-\frac {\log ^2\left (2+e^{15+x}\right )}{x^2}\right ) \, dx+\frac {9}{2} \int \frac {e^{15+x} \int \frac {1}{2 x+e^{15+x} x} \, dx}{2+e^{15+x}} \, dx-\frac {1}{2} \left (9 \log \left (2+e^{15+x}\right )\right ) \int \frac {1}{\left (2+e^{15+x}\right ) x} \, dx \\ & = \frac {261}{8 x}-\frac {9}{8} \int \frac {\log ^2\left (2+e^{15+x}\right )}{x^2} \, dx+\frac {9}{4} \int \frac {\log \left (2+e^{15+x}\right )}{x} \, dx+\frac {9}{2} \int \frac {e^{15+x} \int \frac {1}{2 x+e^{15+x} x} \, dx}{2+e^{15+x}} \, dx-\frac {1}{2} \left (9 \log \left (2+e^{15+x}\right )\right ) \int \frac {1}{\left (2+e^{15+x}\right ) x} \, dx \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9}{8} \left (\frac {29}{x}+\frac {\log ^2\left (2+e^{15+x}\right )}{x}\right ) \]
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Time = 0.06 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.75
method | result | size |
norman | \(\frac {\frac {261}{8}+\frac {9 \ln \left ({\mathrm e}^{x +15}+2\right )^{2}}{8}}{x}\) | \(18\) |
parallelrisch | \(\frac {261+9 \ln \left ({\mathrm e}^{x +15}+2\right )^{2}}{8 x}\) | \(19\) |
risch | \(\frac {9 \ln \left ({\mathrm e}^{x +15}+2\right )^{2}}{8 x}+\frac {261}{8 x}\) | \(21\) |
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.67 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9 \, {\left (\log \left (e^{\left (x + 15\right )} + 2\right )^{2} + 29\right )}}{8 \, x} \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9 \log {\left (e^{x + 15} + 2 \right )}^{2}}{8 x} + \frac {261}{8 x} \]
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.67 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9 \, {\left (\log \left (e^{\left (x + 15\right )} + 2\right )^{2} + 29\right )}}{8 \, x} \]
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Time = 0.33 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.67 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9 \, {\left (\log \left (e^{\left (x + 15\right )} + 2\right )^{2} + 29\right )}}{8 \, x} \]
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Time = 8.12 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.71 \[ \int \frac {-522-261 e^{15+x}+18 e^{15+x} x \log \left (2+e^{15+x}\right )+\left (-18-9 e^{15+x}\right ) \log ^2\left (2+e^{15+x}\right )}{16 x^2+8 e^{15+x} x^2} \, dx=\frac {9\,\left ({\ln \left ({\mathrm {e}}^{15}\,{\mathrm {e}}^x+2\right )}^2+29\right )}{8\,x} \]
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