Integrand size = 113, antiderivative size = 24 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=\left (4 x+9 x^3\right ) \log \left (-16-\frac {e^4}{x}+x+\log (x)\right ) \]
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\[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=\int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {e^4 \left (4+9 x^2\right )}{e^4+16 x-x^2-x \log (x)}+\frac {4 x}{-e^4-16 x+x^2+x \log (x)}+\frac {4 x^2}{-e^4-16 x+x^2+x \log (x)}+\frac {9 x^3}{-e^4-16 x+x^2+x \log (x)}+\frac {9 x^4}{-e^4-16 x+x^2+x \log (x)}+\left (4+27 x^2\right ) \log \left (-16-\frac {e^4}{x}+x+\log (x)\right )\right ) \, dx \\ & = 4 \int \frac {x}{-e^4-16 x+x^2+x \log (x)} \, dx+4 \int \frac {x^2}{-e^4-16 x+x^2+x \log (x)} \, dx+9 \int \frac {x^3}{-e^4-16 x+x^2+x \log (x)} \, dx+9 \int \frac {x^4}{-e^4-16 x+x^2+x \log (x)} \, dx-e^4 \int \frac {4+9 x^2}{e^4+16 x-x^2-x \log (x)} \, dx+\int \left (4+27 x^2\right ) \log \left (-16-\frac {e^4}{x}+x+\log (x)\right ) \, dx \\ & = 4 \int \frac {x}{-e^4-16 x+x^2+x \log (x)} \, dx+4 \int \frac {x^2}{-e^4-16 x+x^2+x \log (x)} \, dx+9 \int \frac {x^3}{-e^4-16 x+x^2+x \log (x)} \, dx+9 \int \frac {x^4}{-e^4-16 x+x^2+x \log (x)} \, dx-e^4 \int \left (\frac {4}{e^4+16 x-x^2-x \log (x)}-\frac {9 x^2}{-e^4-16 x+x^2+x \log (x)}\right ) \, dx+\int \left (4 \log \left (-16-\frac {e^4}{x}+x+\log (x)\right )+27 x^2 \log \left (-16-\frac {e^4}{x}+x+\log (x)\right )\right ) \, dx \\ & = 4 \int \frac {x}{-e^4-16 x+x^2+x \log (x)} \, dx+4 \int \frac {x^2}{-e^4-16 x+x^2+x \log (x)} \, dx+4 \int \log \left (-16-\frac {e^4}{x}+x+\log (x)\right ) \, dx+9 \int \frac {x^3}{-e^4-16 x+x^2+x \log (x)} \, dx+9 \int \frac {x^4}{-e^4-16 x+x^2+x \log (x)} \, dx+27 \int x^2 \log \left (-16-\frac {e^4}{x}+x+\log (x)\right ) \, dx-\left (4 e^4\right ) \int \frac {1}{e^4+16 x-x^2-x \log (x)} \, dx+\left (9 e^4\right ) \int \frac {x^2}{-e^4-16 x+x^2+x \log (x)} \, dx \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.96 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=x \left (4+9 x^2\right ) \log \left (-16-\frac {e^4}{x}+x+\log (x)\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(49\) vs. \(2(23)=46\).
Time = 6.96 (sec) , antiderivative size = 50, normalized size of antiderivative = 2.08
method | result | size |
parallelrisch | \(9 \ln \left (\frac {x \ln \left (x \right )-{\mathrm e}^{4}+x^{2}-16 x}{x}\right ) x^{3}+4 x \ln \left (\frac {x \ln \left (x \right )-{\mathrm e}^{4}+x^{2}-16 x}{x}\right )\) | \(50\) |
risch | \(\left (9 x^{3}+4 x \right ) \ln \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )-9 x^{3} \ln \left (x \right )-4 x \ln \left (x \right )+2 i \pi x {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2} \operatorname {csgn}\left (\frac {i}{x}\right )-2 i \pi x \,\operatorname {csgn}\left (i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )\right ) \operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right ) \operatorname {csgn}\left (\frac {i}{x}\right )-4 i \pi x {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2}+\frac {9 i \pi \,x^{3} {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2} \operatorname {csgn}\left (\frac {i}{x}\right )}{2}+\frac {9 i \pi \,x^{3} {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{3}}{2}+2 i \pi x {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{3}-9 i \pi \,x^{3} {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2}+9 i \pi \,x^{3}+\frac {9 i \pi \,x^{3} \operatorname {csgn}\left (i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2}}{2}+4 i \pi x +2 i \pi x \,\operatorname {csgn}\left (i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right )}^{2}-\frac {9 i \pi \,x^{3} \operatorname {csgn}\left (i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )\right ) \operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4}-x^{2}+\left (-\ln \left (x \right )+16\right ) x \right )}{x}\right ) \operatorname {csgn}\left (\frac {i}{x}\right )}{2}\) | \(467\) |
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Time = 0.28 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.25 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx={\left (9 \, x^{3} + 4 \, x\right )} \log \left (\frac {x^{2} + x \log \left (x\right ) - 16 \, x - e^{4}}{x}\right ) \]
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Time = 0.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=\left (9 x^{3} + 4 x\right ) \log {\left (\frac {x^{2} + x \log {\left (x \right )} - 16 x - e^{4}}{x} \right )} \]
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Time = 0.24 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.67 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx={\left (9 \, x^{3} + 4 \, x\right )} \log \left (x^{2} + x \log \left (x\right ) - 16 \, x - e^{4}\right ) - {\left (9 \, x^{3} + 4 \, x\right )} \log \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (23) = 46\).
Time = 0.31 (sec) , antiderivative size = 53, normalized size of antiderivative = 2.21 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=9 \, x^{3} \log \left (x^{2} + x \log \left (x\right ) - 16 \, x - e^{4}\right ) - 9 \, x^{3} \log \left (x\right ) + 4 \, x \log \left (x^{2} + x \log \left (x\right ) - 16 \, x - e^{4}\right ) - 4 \, x \log \left (x\right ) \]
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Time = 11.56 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.29 \[ \int \frac {4 x+4 x^2+9 x^3+9 x^4+e^4 \left (4+9 x^2\right )+\left (-64 x+4 x^2-432 x^3+27 x^4+e^4 \left (-4-27 x^2\right )+\left (4 x+27 x^3\right ) \log (x)\right ) \log \left (\frac {-e^4-16 x+x^2+x \log (x)}{x}\right )}{-e^4-16 x+x^2+x \log (x)} \, dx=x\,\ln \left (-\frac {16\,x+{\mathrm {e}}^4-x\,\ln \left (x\right )-x^2}{x}\right )\,\left (9\,x^2+4\right ) \]
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