Integrand size = 90, antiderivative size = 23 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=-e^{\frac {3}{\log (1+\log (3 x))}}+x^3+\log (4+x) \]
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Time = 0.32 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.033, Rules used = {6820, 1864, 6838} \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=x^3-e^{\frac {3}{\log (\log (3 x)+1)}}+\log (x+4) \]
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Rule 1864
Rule 6820
Rule 6838
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1+12 x^2+3 x^3}{4+x}+\frac {3 e^{\frac {3}{\log (1+\log (3 x))}}}{x (1+\log (3 x)) \log ^2(1+\log (3 x))}\right ) \, dx \\ & = 3 \int \frac {e^{\frac {3}{\log (1+\log (3 x))}}}{x (1+\log (3 x)) \log ^2(1+\log (3 x))} \, dx+\int \frac {1+12 x^2+3 x^3}{4+x} \, dx \\ & = 3 \text {Subst}\left (\int \frac {e^{\frac {3}{\log (1+x)}}}{(1+x) \log ^2(1+x)} \, dx,x,\log (3 x)\right )+\int \left (3 x^2+\frac {1}{4+x}\right ) \, dx \\ & = -e^{\frac {3}{\log (1+\log (3 x))}}+x^3+\log (4+x) \\ \end{align*}
Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=64-e^{\frac {3}{\log (1+\log (3 x))}}+x^3+\log (4+x) \]
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Time = 10.60 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00
method | result | size |
risch | \(x^{3}+\ln \left (4+x \right )-{\mathrm e}^{\frac {3}{\ln \left (\ln \left (3 x \right )+1\right )}}\) | \(23\) |
parallelrisch | \(x^{3}+\ln \left (4+x \right )-{\mathrm e}^{\frac {3}{\ln \left (\ln \left (3 x \right )+1\right )}}\) | \(23\) |
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none
Time = 0.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=x^{3} - e^{\left (\frac {3}{\log \left (\log \left (3 \, x\right ) + 1\right )}\right )} + \log \left (x + 4\right ) \]
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=x^{3} - e^{\frac {3}{\log {\left (\log {\left (3 x \right )} + 1 \right )}}} + \log {\left (x + 4 \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 47 vs. \(2 (22) = 44\).
Time = 0.35 (sec) , antiderivative size = 47, normalized size of antiderivative = 2.04 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=x^{3} - \frac {x e^{\left (\frac {3}{\log \left (\log \left (3\right ) + \log \left (x\right ) + 1\right )}\right )}}{x + 4} - \frac {4 \, e^{\left (\frac {3}{\log \left (\log \left (3\right ) + \log \left (x\right ) + 1\right )}\right )}}{x + 4} + \log \left (x + 4\right ) \]
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none
Time = 1.05 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=x^{3} - e^{\left (\frac {3}{\log \left (\log \left (3 \, x\right ) + 1\right )}\right )} + \log \left (x + 4\right ) \]
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Time = 9.20 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {e^{\frac {3}{\log (1+\log (3 x))}} (12+3 x)+\left (x+12 x^3+3 x^4+\left (x+12 x^3+3 x^4\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))}{\left (4 x+x^2+\left (4 x+x^2\right ) \log (3 x)\right ) \log ^2(1+\log (3 x))} \, dx=\ln \left (x+4\right )-{\mathrm {e}}^{\frac {3}{\ln \left (\ln \left (3\,x\right )+1\right )}}+x^3 \]
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