Optimal. Leaf size=29 \[ \frac {2 \log (\log (4))}{x-\frac {e^{\frac {x^3}{2+x}}}{4 \log (\log (2))}} \]
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Rubi [A] time = 0.46, antiderivative size = 28, normalized size of antiderivative = 0.97, number of steps used = 4, number of rules used = 3, integrand size = 122, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.025, Rules used = {12, 6688, 6686} \begin {gather*} -\frac {8 \log (\log (2)) \log (\log (4))}{e^{\frac {x^3}{x+2}}-4 x \log (\log (2))} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 6686
Rule 6688
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\log (\log (4)) \int \frac {e^{\frac {x^3}{2+x}} \left (48 x^2+16 x^3\right ) \log (\log (2))+\left (-128-128 x-32 x^2\right ) \log ^2(\log (2))}{e^{\frac {2 x^3}{2+x}} \left (4+4 x+x^2\right )+e^{\frac {x^3}{2+x}} \left (-32 x-32 x^2-8 x^3\right ) \log (\log (2))+\left (64 x^2+64 x^3+16 x^4\right ) \log ^2(\log (2))} \, dx\\ &=\log (\log (4)) \int \frac {16 \log (\log (2)) \left (e^{\frac {x^3}{2+x}} x^2 (3+x)-2 (2+x)^2 \log (\log (2))\right )}{(2+x)^2 \left (e^{\frac {x^3}{2+x}}-4 x \log (\log (2))\right )^2} \, dx\\ &=(16 \log (\log (2)) \log (\log (4))) \int \frac {e^{\frac {x^3}{2+x}} x^2 (3+x)-2 (2+x)^2 \log (\log (2))}{(2+x)^2 \left (e^{\frac {x^3}{2+x}}-4 x \log (\log (2))\right )^2} \, dx\\ &=-\frac {8 \log (\log (2)) \log (\log (4))}{e^{\frac {x^3}{2+x}}-4 x \log (\log (2))}\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.07, size = 28, normalized size = 0.97 \begin {gather*} -\frac {8 \log (\log (2)) \log (\log (4))}{e^{\frac {x^3}{2+x}}-4 x \log (\log (2))} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.55, size = 35, normalized size = 1.21 \begin {gather*} \frac {8 \, {\left (\log \relax (2) \log \left (\log \relax (2)\right ) + \log \left (\log \relax (2)\right )^{2}\right )}}{4 \, x \log \left (\log \relax (2)\right ) - e^{\left (\frac {x^{3}}{x + 2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.38, size = 31, normalized size = 1.07 \begin {gather*} \frac {8 \, \log \left (2 \, \log \relax (2)\right ) \log \left (\log \relax (2)\right )}{4 \, x \log \left (\log \relax (2)\right ) - e^{\left (\frac {x^{3}}{x + 2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.31, size = 58, normalized size = 2.00
method | result | size |
risch | \(\frac {8 \ln \left (\ln \relax (2)\right ) \ln \relax (2)}{4 x \ln \left (\ln \relax (2)\right )-{\mathrm e}^{\frac {x^{3}}{2+x}}}+\frac {8 \ln \left (\ln \relax (2)\right )^{2}}{4 x \ln \left (\ln \relax (2)\right )-{\mathrm e}^{\frac {x^{3}}{2+x}}}\) | \(58\) |
norman | \(\frac {\left (8 \ln \left (\ln \relax (2)\right ) \ln \relax (2)+8 \ln \left (\ln \relax (2)\right )^{2}\right ) x +16 \ln \left (\ln \relax (2)\right ) \ln \relax (2)+16 \ln \left (\ln \relax (2)\right )^{2}}{\left (2+x \right ) \left (4 x \ln \left (\ln \relax (2)\right )-{\mathrm e}^{\frac {x^{3}}{2+x}}\right )}\) | \(60\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.64, size = 51, normalized size = 1.76 \begin {gather*} \frac {8 \, e^{\left (2 \, x + \frac {8}{x + 2}\right )} \log \left (2 \, \log \relax (2)\right ) \log \left (\log \relax (2)\right )}{4 \, x e^{\left (2 \, x + \frac {8}{x + 2}\right )} \log \left (\log \relax (2)\right ) - e^{\left (x^{2} + 4\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.44, size = 29, normalized size = 1.00 \begin {gather*} -\frac {8\,\ln \left (2\,\ln \relax (2)\right )\,\ln \left (\ln \relax (2)\right )}{{\mathrm {e}}^{\frac {x^3}{x+2}}-4\,x\,\ln \left (\ln \relax (2)\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.25, size = 36, normalized size = 1.24 \begin {gather*} \frac {- 8 \log {\left (\log {\relax (2 )} \right )}^{2} - 8 \log {\relax (2 )} \log {\left (\log {\relax (2 )} \right )}}{- 4 x \log {\left (\log {\relax (2 )} \right )} + e^{\frac {x^{3}}{x + 2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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