Integrand size = 46, antiderivative size = 17 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=2+\frac {x+\frac {1}{\log ^2\left (\frac {5 x}{4}\right )}}{\log (x)} \]
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\[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {-1+\log (x)}{\log ^2(x)}-\frac {2}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )}-\frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )}\right ) \, dx \\ & = -\left (2 \int \frac {1}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )} \, dx\right )+\int \frac {-1+\log (x)}{\log ^2(x)} \, dx-\int \frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )} \, dx \\ & = -\left (2 \int \frac {1}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )} \, dx\right )+\int \left (-\frac {1}{\log ^2(x)}+\frac {1}{\log (x)}\right ) \, dx-\int \frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )} \, dx \\ & = -\left (2 \int \frac {1}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )} \, dx\right )-\int \frac {1}{\log ^2(x)} \, dx+\int \frac {1}{\log (x)} \, dx-\int \frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )} \, dx \\ & = \frac {x}{\log (x)}+\operatorname {LogIntegral}(x)-2 \int \frac {1}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )} \, dx-\int \frac {1}{\log (x)} \, dx-\int \frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )} \, dx \\ & = \frac {x}{\log (x)}-2 \int \frac {1}{x \log (x) \log ^3\left (\frac {5 x}{4}\right )} \, dx-\int \frac {1}{x \log ^2(x) \log ^2\left (\frac {5 x}{4}\right )} \, dx \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\frac {x+\frac {1}{\log ^2\left (\frac {5 x}{4}\right )}}{\log (x)} \]
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Time = 0.71 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.41
method | result | size |
parallelrisch | \(-\frac {-6-6 x \ln \left (\frac {5 x}{4}\right )^{2}}{6 \ln \left (x \right ) \ln \left (\frac {5 x}{4}\right )^{2}}\) | \(24\) |
risch | \(\frac {4-16 x \ln \left (2\right ) \ln \left (5\right )+16 x \ln \left (2\right )^{2}+4 x \ln \left (x \right )^{2}+4 x \ln \left (5\right )^{2}+8 x \ln \left (5\right ) \ln \left (x \right )-16 x \ln \left (2\right ) \ln \left (x \right )}{\left (2 \ln \left (5\right )-4 \ln \left (2\right )+2 \ln \left (x \right )\right )^{2} \ln \left (x \right )}\) | \(65\) |
parts | \(\text {Expression too large to display}\) | \(1911\) |
default | \(\text {Expression too large to display}\) | \(2586\) |
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Leaf count of result is larger than twice the leaf count of optimal. 44 vs. \(2 (15) = 30\).
Time = 0.26 (sec) , antiderivative size = 44, normalized size of antiderivative = 2.59 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\frac {x \log \left (\frac {5}{4}\right )^{2} + 2 \, x \log \left (\frac {5}{4}\right ) \log \left (x\right ) + x \log \left (x\right )^{2} + 1}{\log \left (\frac {5}{4}\right )^{2} \log \left (x\right ) + 2 \, \log \left (\frac {5}{4}\right ) \log \left (x\right )^{2} + \log \left (x\right )^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 94 vs. \(2 (15) = 30\).
Time = 0.14 (sec) , antiderivative size = 94, normalized size of antiderivative = 5.53 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\frac {x \log {\left (x \right )}^{2} - 4 x \log {\left (2 \right )} \log {\left (5 \right )} + 4 x \log {\left (2 \right )}^{2} + x \log {\left (5 \right )}^{2} + \left (- 4 x \log {\left (2 \right )} + 2 x \log {\left (5 \right )}\right ) \log {\left (x \right )} + 1}{\log {\left (x \right )}^{3} + \left (- 4 \log {\left (2 \right )} + 2 \log {\left (5 \right )}\right ) \log {\left (x \right )}^{2} + \left (- 4 \log {\left (2 \right )} \log {\left (5 \right )} + 4 \log {\left (2 \right )}^{2} + \log {\left (5 \right )}^{2}\right ) \log {\left (x \right )}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.31 (sec) , antiderivative size = 186, normalized size of antiderivative = 10.94 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=-\frac {3 \, \log \left (5\right ) - 6 \, \log \left (2\right ) + 2 \, \log \left (x\right )}{\log \left (5\right )^{4} - 8 \, \log \left (5\right )^{3} \log \left (2\right ) + 24 \, \log \left (5\right )^{2} \log \left (2\right )^{2} - 32 \, \log \left (5\right ) \log \left (2\right )^{3} + 16 \, \log \left (2\right )^{4} + {\left (\log \left (5\right )^{2} - 4 \, \log \left (5\right ) \log \left (2\right ) + 4 \, \log \left (2\right )^{2}\right )} \log \left (x\right )^{2} + 2 \, {\left (\log \left (5\right )^{3} - 6 \, \log \left (5\right )^{2} \log \left (2\right ) + 12 \, \log \left (5\right ) \log \left (2\right )^{2} - 8 \, \log \left (2\right )^{3}\right )} \log \left (x\right )} + \frac {\log \left (5\right ) - 2 \, \log \left (2\right ) + 2 \, \log \left (x\right )}{{\left (\log \left (5\right )^{2} - 4 \, \log \left (5\right ) \log \left (2\right ) + 4 \, \log \left (2\right )^{2}\right )} \log \left (x\right )^{2} + {\left (\log \left (5\right )^{3} - 6 \, \log \left (5\right )^{2} \log \left (2\right ) + 12 \, \log \left (5\right ) \log \left (2\right )^{2} - 8 \, \log \left (2\right )^{3}\right )} \log \left (x\right )} + {\rm Ei}\left (\log \left (x\right )\right ) - \Gamma \left (-1, -\log \left (x\right )\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 187 vs. \(2 (15) = 30\).
Time = 0.28 (sec) , antiderivative size = 187, normalized size of antiderivative = 11.00 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\frac {x \log \left (5\right )^{2} - 4 \, x \log \left (5\right ) \log \left (2\right ) + 4 \, x \log \left (2\right )^{2} + 1}{2 \, \log \left (5\right )^{2} \log \left (2\right ) - 8 \, \log \left (5\right ) \log \left (2\right )^{2} + 8 \, \log \left (2\right )^{3} + \log \left (5\right )^{2} \log \left (\frac {1}{4} \, x\right ) - 4 \, \log \left (5\right ) \log \left (2\right ) \log \left (\frac {1}{4} \, x\right ) + 4 \, \log \left (2\right )^{2} \log \left (\frac {1}{4} \, x\right )} - \frac {2 \, \log \left (5\right ) - 2 \, \log \left (2\right ) + \log \left (\frac {1}{4} \, x\right )}{\log \left (5\right )^{4} - 4 \, \log \left (5\right )^{3} \log \left (2\right ) + 4 \, \log \left (5\right )^{2} \log \left (2\right )^{2} + 2 \, \log \left (5\right )^{3} \log \left (\frac {1}{4} \, x\right ) - 8 \, \log \left (5\right )^{2} \log \left (2\right ) \log \left (\frac {1}{4} \, x\right ) + 8 \, \log \left (5\right ) \log \left (2\right )^{2} \log \left (\frac {1}{4} \, x\right ) + \log \left (5\right )^{2} \log \left (\frac {1}{4} \, x\right )^{2} - 4 \, \log \left (5\right ) \log \left (2\right ) \log \left (\frac {1}{4} \, x\right )^{2} + 4 \, \log \left (2\right )^{2} \log \left (\frac {1}{4} \, x\right )^{2}} \]
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Time = 8.52 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.24 \[ \int \frac {-2 \log (x)-\log \left (\frac {5 x}{4}\right )+(-x+x \log (x)) \log ^3\left (\frac {5 x}{4}\right )}{x \log ^2(x) \log ^3\left (\frac {5 x}{4}\right )} \, dx=\frac {x\,{\ln \left (\frac {5\,x}{4}\right )}^2+1}{{\ln \left (\frac {5\,x}{4}\right )}^2\,\ln \left (x\right )} \]
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