Integrand size = 76, antiderivative size = 25 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=\log \left (\frac {-2+x}{e^2}\right ) \left (5+e^4+x-\log (x)+\log (4+2 x)\right ) \]
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Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.33 (sec) , antiderivative size = 123, normalized size of antiderivative = 4.92, number of steps used = 21, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.171, Rules used = {1607, 6857, 213, 266, 327, 2465, 2441, 2352, 2440, 2438, 2436, 2332, 2353} \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=-7 \text {arctanh}\left (\frac {x}{2}\right )+\operatorname {PolyLog}\left (2,\frac {2-x}{4}\right )+\operatorname {PolyLog}\left (2,\frac {x+2}{4}\right )+\frac {7}{2} \log \left (4-x^2\right )-2 x+e^4 \log (2-x)-(2-x) \log (x-2)-\log (2) \log (x-2)+(2-\log (x-2)) \log \left (\frac {x}{2}\right )-(2-\log (x-2)) \log \left (\frac {x+2}{4}\right )+\log \left (\frac {2-x}{4}\right ) \log (2 x+4) \]
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Rule 213
Rule 266
Rule 327
Rule 1607
Rule 2332
Rule 2352
Rule 2353
Rule 2436
Rule 2438
Rule 2440
Rule 2441
Rule 2465
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{x \left (-4+x^2\right )} \, dx \\ & = \int \left (\frac {e^4}{-2+x}+\frac {10}{-4+x^2}+\frac {7 x}{-4+x^2}+\frac {x^2}{-4+x^2}+\frac {\left (-2+2 x+x^2\right ) (-2+\log (-2+x))}{x (2+x)}-\frac {\log (x)}{-2+x}+\frac {\log (4+2 x)}{-2+x}\right ) \, dx \\ & = e^4 \log (2-x)+7 \int \frac {x}{-4+x^2} \, dx+10 \int \frac {1}{-4+x^2} \, dx+\int \frac {x^2}{-4+x^2} \, dx+\int \frac {\left (-2+2 x+x^2\right ) (-2+\log (-2+x))}{x (2+x)} \, dx-\int \frac {\log (x)}{-2+x} \, dx+\int \frac {\log (4+2 x)}{-2+x} \, dx \\ & = x-5 \text {arctanh}\left (\frac {x}{2}\right )+e^4 \log (2-x)-\log (2) \log (-2+x)+\log \left (\frac {2-x}{4}\right ) \log (4+2 x)+\frac {7}{2} \log \left (4-x^2\right )-2 \int \frac {\log \left (\frac {2-x}{4}\right )}{4+2 x} \, dx+4 \int \frac {1}{-4+x^2} \, dx+\int \left (-2-\frac {-2+\log (-2+x)}{x}+\frac {-2+\log (-2+x)}{2+x}+\log (-2+x)\right ) \, dx-\int \frac {\log \left (\frac {x}{2}\right )}{-2+x} \, dx \\ & = -x-7 \text {arctanh}\left (\frac {x}{2}\right )+e^4 \log (2-x)-\log (2) \log (-2+x)+\log \left (\frac {2-x}{4}\right ) \log (4+2 x)+\frac {7}{2} \log \left (4-x^2\right )+\operatorname {PolyLog}\left (2,1-\frac {x}{2}\right )-\int \frac {-2+\log (-2+x)}{x} \, dx+\int \frac {-2+\log (-2+x)}{2+x} \, dx+\int \log (-2+x) \, dx-\text {Subst}\left (\int \frac {\log \left (1-\frac {x}{8}\right )}{x} \, dx,x,4+2 x\right ) \\ & = -x-7 \text {arctanh}\left (\frac {x}{2}\right )+e^4 \log (2-x)-\log (2) \log (-2+x)+(2-\log (-2+x)) \log \left (\frac {x}{2}\right )-(2-\log (-2+x)) \log \left (\frac {2+x}{4}\right )+\log \left (\frac {2-x}{4}\right ) \log (4+2 x)+\frac {7}{2} \log \left (4-x^2\right )+\operatorname {PolyLog}\left (2,1-\frac {x}{2}\right )+\operatorname {PolyLog}\left (2,\frac {2+x}{4}\right )+\int \frac {\log \left (\frac {x}{2}\right )}{-2+x} \, dx-\int \frac {\log \left (\frac {2+x}{4}\right )}{-2+x} \, dx+\text {Subst}(\int \log (x) \, dx,x,-2+x) \\ & = -2 x-7 \text {arctanh}\left (\frac {x}{2}\right )+e^4 \log (2-x)+(-2+x) \log (-2+x)-\log (2) \log (-2+x)+(2-\log (-2+x)) \log \left (\frac {x}{2}\right )-(2-\log (-2+x)) \log \left (\frac {2+x}{4}\right )+\log \left (\frac {2-x}{4}\right ) \log (4+2 x)+\frac {7}{2} \log \left (4-x^2\right )+\operatorname {PolyLog}\left (2,\frac {2+x}{4}\right )-\text {Subst}\left (\int \frac {\log \left (1+\frac {x}{4}\right )}{x} \, dx,x,-2+x\right ) \\ & = -2 x-7 \text {arctanh}\left (\frac {x}{2}\right )+e^4 \log (2-x)+(-2+x) \log (-2+x)-\log (2) \log (-2+x)+(2-\log (-2+x)) \log \left (\frac {x}{2}\right )-(2-\log (-2+x)) \log \left (\frac {2+x}{4}\right )+\log \left (\frac {2-x}{4}\right ) \log (4+2 x)+\frac {7}{2} \log \left (4-x^2\right )+\operatorname {PolyLog}\left (2,\frac {2-x}{4}\right )+\operatorname {PolyLog}\left (2,\frac {2+x}{4}\right ) \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.84 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=-2 x+\log (4)+\left (7+e^4\right ) \log (2-x)+2 \log (x)-2 \log (2+x)+\log (-2+x) (-2+x-\log (x)+\log (2 (2+x))) \]
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Time = 3.91 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.40
method | result | size |
risch | \(\left (x -\ln \left (x \right )+\ln \left (4+2 x \right )\right ) \ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right )+\ln \left (-2+x \right ) {\mathrm e}^{4}+5 \ln \left (-2+x \right )\) | \(35\) |
parallelrisch | \(\ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right ) {\mathrm e}^{4}+\ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right ) x -\ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right ) \ln \left (x \right )+\ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right ) \ln \left (4+2 x \right )+5 \ln \left (\left (-2+x \right ) {\mathrm e}^{-2}\right )\) | \(65\) |
default | \(\ln \left (2\right ) \ln \left (-2+x \right )+\left (\ln \left (2+x \right )-\ln \left (\frac {1}{2}+\frac {x}{4}\right )\right ) \ln \left (\frac {1}{2}-\frac {x}{4}\right )-2 x +2 \ln \left (x \right )-2 \ln \left (2+x \right )+\left ({\mathrm e}^{4}+7\right ) \ln \left (-2+x \right )+\left (-2+x \right ) \ln \left (-2+x \right )+2-\ln \left (-2+x \right ) \ln \left (\frac {x}{2}\right )+\ln \left (-2+x \right ) \ln \left (\frac {1}{2}+\frac {x}{4}\right )-\left (\ln \left (x \right )-\ln \left (\frac {x}{2}\right )\right ) \ln \left (1-\frac {x}{2}\right )\) | \(98\) |
parts | \(\left (\ln \left (4+2 x \right )-\ln \left (\frac {1}{2}+\frac {x}{4}\right )\right ) \ln \left (\frac {1}{2}-\frac {x}{4}\right )-\operatorname {dilog}\left (\frac {1}{2}+\frac {x}{4}\right )+x +\left ({\mathrm e}^{4}+7\right ) \ln \left (-2+x \right )+{\mathrm e}^{-4} {\mathrm e}^{4} \ln \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right ) x -2 \,{\mathrm e}^{-4} {\mathrm e}^{4} \ln \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right )-{\mathrm e}^{-4} {\mathrm e}^{4} x +2 \,{\mathrm e}^{-4} {\mathrm e}^{4}+\ln \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right ) \ln \left (\frac {{\mathrm e}^{2} \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right )}{4}+1\right )+\operatorname {dilog}\left (\frac {{\mathrm e}^{2} \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right )}{4}+1\right )-\ln \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right ) \ln \left (\frac {{\mathrm e}^{2} \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right )}{2}+1\right )-\operatorname {dilog}\left (\frac {{\mathrm e}^{2} \left (x \,{\mathrm e}^{-2}-2 \,{\mathrm e}^{-2}\right )}{2}+1\right )-\left (\ln \left (x \right )-\ln \left (\frac {x}{2}\right )\right ) \ln \left (1-\frac {x}{2}\right )+\operatorname {dilog}\left (\frac {x}{2}\right )\) | \(237\) |
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Time = 0.25 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.56 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx={\left (x + e^{4} + 5\right )} \log \left ({\left (x - 2\right )} e^{\left (-2\right )}\right ) + \log \left ({\left (x - 2\right )} e^{\left (-2\right )}\right ) \log \left (2 \, x + 4\right ) - \log \left ({\left (x - 2\right )} e^{\left (-2\right )}\right ) \log \left (x\right ) \]
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Time = 0.25 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.16 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=\left (x - \log {\left (x \right )} + \log {\left (2 x + 4 \right )}\right ) \log {\left (\frac {x - 2}{e^{2}} \right )} + \left (5 + e^{4}\right ) \log {\left (x - 2 \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 67 vs. \(2 (23) = 46\).
Time = 0.32 (sec) , antiderivative size = 67, normalized size of antiderivative = 2.68 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=\frac {1}{2} \, {\left (\log \left (x + 2\right ) + \log \left (x - 2\right )\right )} e^{4} - \frac {1}{2} \, {\left (\log \left (x + 2\right ) - \log \left (x - 2\right )\right )} e^{4} + {\left (\log \left (x - 2\right ) - 2\right )} \log \left (x + 2\right ) + {\left (x + \log \left (2\right ) - \log \left (x\right ) - 2\right )} \log \left (x - 2\right ) - 2 \, x + 7 \, \log \left (x - 2\right ) + 2 \, \log \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 52 vs. \(2 (23) = 46\).
Time = 0.29 (sec) , antiderivative size = 52, normalized size of antiderivative = 2.08 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=x \log \left (x - 2\right ) + e^{4} \log \left (x - 2\right ) + \log \left (2 \, x + 4\right ) \log \left (x - 2\right ) - \log \left (x - 2\right ) \log \left (x\right ) - 2 \, x - 2 \, \log \left (x + 2\right ) + 5 \, \log \left (x - 2\right ) + 2 \, \log \left (x\right ) \]
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Time = 12.80 (sec) , antiderivative size = 48, normalized size of antiderivative = 1.92 \[ \int \frac {10 x+7 x^2+x^3+e^4 \left (2 x+x^2\right )+\left (4-6 x+x^3\right ) \log \left (\frac {-2+x}{e^2}\right )+\left (-2 x-x^2\right ) \log (x)+\left (2 x+x^2\right ) \log (4+2 x)}{-4 x+x^3} \, dx=5\,\ln \left (x-2\right )+\ln \left (x-2\right )\,{\mathrm {e}}^4+\ln \left ({\mathrm {e}}^{-2}\,\left (x-2\right )\right )\,\ln \left (2\,x+4\right )-\ln \left ({\mathrm {e}}^{-2}\,\left (x-2\right )\right )\,\ln \left (x\right )+x\,\ln \left ({\mathrm {e}}^{-2}\,\left (x-2\right )\right ) \]
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