Integrand size = 68, antiderivative size = 23 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=1-\log ^2\left (2 e^4+\frac {x}{e^3+\log (x)}\right ) \]
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\[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=\int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {2 \left (1-e^3-\log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )} \, dx \\ & = 2 \int \frac {\left (1-e^3-\log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )} \, dx \\ & = 2 \int \left (\frac {\left (1-e^3\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )}-\frac {\log (x) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )}\right ) \, dx \\ & = -\left (2 \int \frac {\log (x) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )} \, dx\right )+\left (2 \left (1-e^3\right )\right ) \int \frac {\log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{\left (e^3+\log (x)\right ) \left (2 e^7+x+2 e^4 \log (x)\right )} \, dx \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.22 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=-\log ^2\left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right ) \]
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Time = 1.73 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.22
method | result | size |
default | \(-\ln \left (\frac {2 \,{\mathrm e}^{4} \ln \left (x \right )+2 \,{\mathrm e}^{3} {\mathrm e}^{4}+x}{\ln \left (x \right )+{\mathrm e}^{3}}\right )^{2}\) | \(28\) |
norman | \(-\ln \left (\frac {2 \,{\mathrm e}^{4} \ln \left (x \right )+2 \,{\mathrm e}^{3} {\mathrm e}^{4}+x}{\ln \left (x \right )+{\mathrm e}^{3}}\right )^{2}\) | \(28\) |
risch | \(-\ln \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )^{2}+2 \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right ) \ln \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )-\ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right )^{2}-i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}+\frac {x \,{\mathrm e}^{-4}}{2}\right ) \operatorname {csgn}\left (i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{2}+i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}+\frac {x \,{\mathrm e}^{-4}}{2}\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{3}+i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right ) \operatorname {csgn}\left (\frac {i}{\ln \left (x \right )+{\mathrm e}^{3}}\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{2}-i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}+\frac {x \,{\mathrm e}^{-4}}{2}\right ) \operatorname {csgn}\left (\frac {i}{\ln \left (x \right )+{\mathrm e}^{3}}\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{2}-i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right ) \operatorname {csgn}\left (i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )\right ) \operatorname {csgn}\left (\frac {i}{\ln \left (x \right )+{\mathrm e}^{3}}\right ) \operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )-i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{3}+i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}+\frac {x \,{\mathrm e}^{-4}}{2}\right ) \operatorname {csgn}\left (i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )\right ) \operatorname {csgn}\left (\frac {i}{\ln \left (x \right )+{\mathrm e}^{3}}\right ) \operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )+i \pi \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right ) \operatorname {csgn}\left (i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )\right ) {\operatorname {csgn}\left (\frac {i \left ({\mathrm e}^{4} \ln \left (x \right )+{\mathrm e}^{7}+\frac {x}{2}\right )}{\ln \left (x \right )+{\mathrm e}^{3}}\right )}^{2}+2 \ln \left (2\right ) \ln \left (\ln \left (x \right )+{\mathrm e}^{3}\right )-2 \ln \left (2\right ) \ln \left (\ln \left (x \right )+{\mathrm e}^{3}+\frac {x \,{\mathrm e}^{-4}}{2}\right )\) | \(465\) |
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Time = 0.25 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=-\log \left (\frac {2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}}{e^{3} + \log \left (x\right )}\right )^{2} \]
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Time = 0.14 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.13 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=- \log {\left (\frac {x + 2 e^{4} \log {\left (x \right )} + 2 e^{7}}{\log {\left (x \right )} + e^{3}} \right )}^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 110 vs. \(2 (21) = 42\).
Time = 0.29 (sec) , antiderivative size = 110, normalized size of antiderivative = 4.78 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=-2 \, {\left (\log \left (2\right ) + \log \left (e^{3} + \log \left (x\right )\right ) + 4\right )} \log \left (2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}\right ) + \log \left (2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}\right )^{2} - 2 \, {\left (\log \left (\frac {1}{2} \, {\left (2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}\right )} e^{\left (-4\right )}\right ) - \log \left (e^{3} + \log \left (x\right )\right )\right )} \log \left (\frac {2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}}{e^{3} + \log \left (x\right )}\right ) + 2 \, {\left (\log \left (2\right ) + 4\right )} \log \left (e^{3} + \log \left (x\right )\right ) + \log \left (e^{3} + \log \left (x\right )\right )^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 49 vs. \(2 (21) = 42\).
Time = 0.38 (sec) , antiderivative size = 49, normalized size of antiderivative = 2.13 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=-\log \left (2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}\right )^{2} + 2 \, \log \left (2 \, e^{4} \log \left (x\right ) + x + 2 \, e^{7}\right ) \log \left (e^{3} + \log \left (x\right )\right ) - \log \left (e^{3} + \log \left (x\right )\right )^{2} \]
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Time = 19.19 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.09 \[ \int \frac {\left (2-2 e^3-2 \log (x)\right ) \log \left (\frac {2 e^7+x+2 e^4 \log (x)}{e^3+\log (x)}\right )}{2 e^{10}+e^3 x+\left (4 e^7+x\right ) \log (x)+2 e^4 \log ^2(x)} \, dx=-{\ln \left (\frac {x+2\,{\mathrm {e}}^7+2\,{\mathrm {e}}^4\,\ln \left (x\right )}{{\mathrm {e}}^3+\ln \left (x\right )}\right )}^2 \]
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