Integrand size = 104, antiderivative size = 26 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=\frac {4-e^{(24-x+\log (x))^2}}{\log \left (5+2 x^2\right )} \]
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\[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=\int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{x \left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )} \, dx \\ & = \int \left (-\frac {16 x}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )}-\frac {2 e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} \left (-2 x^2+120 \log \left (5+2 x^2\right )-125 x \log \left (5+2 x^2\right )+53 x^2 \log \left (5+2 x^2\right )-50 x^3 \log \left (5+2 x^2\right )+2 x^4 \log \left (5+2 x^2\right )+5 \log (x) \log \left (5+2 x^2\right )-5 x \log (x) \log \left (5+2 x^2\right )+2 x^2 \log (x) \log \left (5+2 x^2\right )-2 x^3 \log (x) \log \left (5+2 x^2\right )\right )}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )}\right ) \, dx \\ & = -\left (2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} \left (-2 x^2+120 \log \left (5+2 x^2\right )-125 x \log \left (5+2 x^2\right )+53 x^2 \log \left (5+2 x^2\right )-50 x^3 \log \left (5+2 x^2\right )+2 x^4 \log \left (5+2 x^2\right )+5 \log (x) \log \left (5+2 x^2\right )-5 x \log (x) \log \left (5+2 x^2\right )+2 x^2 \log (x) \log \left (5+2 x^2\right )-2 x^3 \log (x) \log \left (5+2 x^2\right )\right )}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )} \, dx\right )-16 \int \frac {x}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )} \, dx \\ & = -\left (2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} \left (-2 x^2+\left (-5+5 x-2 x^2+2 x^3\right ) (-24+x-\log (x)) \log \left (5+2 x^2\right )\right )}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )} \, dx\right )-8 \text {Subst}\left (\int \frac {1}{(5+2 x) \log ^2(5+2 x)} \, dx,x,x^2\right ) \\ & = -\left (2 \int \left (-\frac {2 e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )}+\frac {e^{(-24+x)^2+\log ^2(x)} (-1+x) x^{47-2 x} (-24+x-\log (x))}{\log \left (5+2 x^2\right )}\right ) \, dx\right )-4 \text {Subst}\left (\int \frac {1}{x \log ^2(x)} \, dx,x,5+2 x^2\right ) \\ & = -\left (2 \int \frac {e^{(-24+x)^2+\log ^2(x)} (-1+x) x^{47-2 x} (-24+x-\log (x))}{\log \left (5+2 x^2\right )} \, dx\right )+4 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (5+2 x^2\right ) \log ^2\left (5+2 x^2\right )} \, dx-4 \text {Subst}\left (\int \frac {1}{x^2} \, dx,x,\log \left (5+2 x^2\right )\right ) \\ & = \frac {4}{\log \left (5+2 x^2\right )}-2 \int \left (\frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x} (-24+x-\log (x))}{\log \left (5+2 x^2\right )}+\frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} (24-x+\log (x))}{\log \left (5+2 x^2\right )}\right ) \, dx+4 \int \left (\frac {i e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{2 \sqrt {5} \left (i \sqrt {5}-\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )}+\frac {i e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{2 \sqrt {5} \left (i \sqrt {5}+\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )}\right ) \, dx \\ & = \frac {4}{\log \left (5+2 x^2\right )}-2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x} (-24+x-\log (x))}{\log \left (5+2 x^2\right )} \, dx-2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} (24-x+\log (x))}{\log \left (5+2 x^2\right )} \, dx+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}-\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}}+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}+\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}} \\ & = \frac {4}{\log \left (5+2 x^2\right )}-2 \int \left (\frac {24 e^{(-24+x)^2+\log ^2(x)} x^{47-2 x}}{\log \left (5+2 x^2\right )}-\frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x}}{\log \left (5+2 x^2\right )}+\frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} \log (x)}{\log \left (5+2 x^2\right )}\right ) \, dx-2 \int \left (-\frac {24 e^{(-24+x)^2+\log ^2(x)} x^{48-2 x}}{\log \left (5+2 x^2\right )}+\frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\log \left (5+2 x^2\right )}-\frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x} \log (x)}{\log \left (5+2 x^2\right )}\right ) \, dx+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}-\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}}+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}+\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}} \\ & = \frac {4}{\log \left (5+2 x^2\right )}+2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x}}{\log \left (5+2 x^2\right )} \, dx-2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\log \left (5+2 x^2\right )} \, dx-2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x} \log (x)}{\log \left (5+2 x^2\right )} \, dx+2 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x} \log (x)}{\log \left (5+2 x^2\right )} \, dx-48 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{47-2 x}}{\log \left (5+2 x^2\right )} \, dx+48 \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{48-2 x}}{\log \left (5+2 x^2\right )} \, dx+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}-\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}}+\frac {(2 i) \int \frac {e^{(-24+x)^2+\log ^2(x)} x^{49-2 x}}{\left (i \sqrt {5}+\sqrt {2} x\right ) \log ^2\left (5+2 x^2\right )} \, dx}{\sqrt {5}} \\ \end{align*}
Time = 0.22 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.31 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=\frac {4-e^{(-24+x)^2+\log ^2(x)} x^{48-2 x}}{\log \left (5+2 x^2\right )} \]
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Time = 1.69 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.46
method | result | size |
parallelrisch | \(-\frac {-80+20 \,{\mathrm e}^{\ln \left (x \right )^{2}+\left (-2 x +48\right ) \ln \left (x \right )+x^{2}-48 x +576}}{20 \ln \left (2 x^{2}+5\right )}\) | \(38\) |
risch | \(\frac {4}{\ln \left (2 x^{2}+5\right )}-\frac {x^{-2 x +48} {\mathrm e}^{\ln \left (x \right )^{2}+576+x^{2}-48 x}}{\ln \left (2 x^{2}+5\right )}\) | \(46\) |
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Time = 0.41 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.31 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=-\frac {e^{\left (x^{2} - 2 \, {\left (x - 24\right )} \log \left (x\right ) + \log \left (x\right )^{2} - 48 \, x + 576\right )} - 4}{\log \left (2 \, x^{2} + 5\right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 41 vs. \(2 (19) = 38\).
Time = 0.23 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.58 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=- \frac {e^{x^{2} - 48 x + \left (48 - 2 x\right ) \log {\left (x \right )} + \log {\left (x \right )}^{2} + 576}}{\log {\left (2 x^{2} + 5 \right )}} + \frac {4}{\log {\left (2 x^{2} + 5 \right )}} \]
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Time = 0.29 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.77 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=-\frac {x^{48} e^{\left (x^{2} - 2 \, x \log \left (x\right ) + \log \left (x\right )^{2} - 48 \, x + 576\right )}}{\log \left (2 \, x^{2} + 5\right )} + \frac {4}{\log \left (2 \, x^{2} + 5\right )} \]
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Time = 0.45 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.38 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=-\frac {e^{\left (x^{2} - 2 \, x \log \left (x\right ) + \log \left (x\right )^{2} - 48 \, x + 48 \, \log \left (x\right ) + 576\right )} - 4}{\log \left (2 \, x^{2} + 5\right )} \]
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Time = 11.76 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.92 \[ \int \frac {-16 x^2+e^{576-48 x+x^2+(48-2 x) \log (x)+\log ^2(x)} \left (4 x^2+\left (-240+250 x-106 x^2+100 x^3-4 x^4+\left (-10+10 x-4 x^2+4 x^3\right ) \log (x)\right ) \log \left (5+2 x^2\right )\right )}{\left (5 x+2 x^3\right ) \log ^2\left (5+2 x^2\right )} \, dx=\frac {4}{\ln \left (2\,x^2+5\right )}-\frac {x^{48}\,{\mathrm {e}}^{-48\,x}\,{\mathrm {e}}^{x^2}\,{\mathrm {e}}^{576}\,{\mathrm {e}}^{{\ln \left (x\right )}^2}}{x^{2\,x}\,\ln \left (2\,x^2+5\right )} \]
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