Optimal. Leaf size=18 \[ \log \left (x+\frac {x}{\frac {16}{x^4}+x}\right )+\log (\log (x)) \]
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Rubi [B] time = 0.69, antiderivative size = 37, normalized size of antiderivative = 2.06, number of steps used = 9, number of rules used = 6, integrand size = 63, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {6741, 6742, 1587, 260, 2302, 29} \begin {gather*} -\log \left (x^5+16\right )+\log \left (x^4-x^3+2 x^2-4 x+8\right )+\log (x)+\log (x+2)+\log (\log (x)) \end {gather*}
Antiderivative was successfully verified.
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Rule 29
Rule 260
Rule 1587
Rule 2302
Rule 6741
Rule 6742
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {256+16 x^4+32 x^5+x^9+x^{10}+\left (256+80 x^4+32 x^5+x^{10}\right ) \log (x)}{x \left (256+16 x^4+32 x^5+x^9+x^{10}\right ) \log (x)} \, dx\\ &=\int \left (\frac {256+80 x^4+32 x^5+x^{10}}{x \left (256+16 x^4+32 x^5+x^9+x^{10}\right )}+\frac {1}{x \log (x)}\right ) \, dx\\ &=\int \frac {256+80 x^4+32 x^5+x^{10}}{x \left (256+16 x^4+32 x^5+x^9+x^{10}\right )} \, dx+\int \frac {1}{x \log (x)} \, dx\\ &=\int \left (\frac {1}{x}+\frac {1}{2+x}+\frac {-4+4 x-3 x^2+4 x^3}{8-4 x+2 x^2-x^3+x^4}-\frac {5 x^4}{16+x^5}\right ) \, dx+\operatorname {Subst}\left (\int \frac {1}{x} \, dx,x,\log (x)\right )\\ &=\log (x)+\log (2+x)+\log (\log (x))-5 \int \frac {x^4}{16+x^5} \, dx+\int \frac {-4+4 x-3 x^2+4 x^3}{8-4 x+2 x^2-x^3+x^4} \, dx\\ &=\log (x)+\log (2+x)+\log \left (8-4 x+2 x^2-x^3+x^4\right )-\log \left (16+x^5\right )+\log (\log (x))\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.16, size = 23, normalized size = 1.28 \begin {gather*} \log (x)-\log \left (16+x^5\right )+\log \left (16+x^4+x^5\right )+\log (\log (x)) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.86, size = 23, normalized size = 1.28 \begin {gather*} \log \left (x^{6} + x^{5} + 16 \, x\right ) - \log \left (x^{5} + 16\right ) + \log \left (\log \relax (x)\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.20, size = 23, normalized size = 1.28 \begin {gather*} \log \left (x^{5} + x^{4} + 16\right ) - \log \left (x^{5} + 16\right ) + \log \relax (x) + \log \left (\log \relax (x)\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.09, size = 24, normalized size = 1.33
method | result | size |
risch | \(-\ln \left (x^{5}+16\right )+\ln \left (x^{6}+x^{5}+16 x \right )+\ln \left (\ln \relax (x )\right )\) | \(24\) |
default | \(\ln \left (\ln \relax (x )\right )+\ln \relax (x )+\ln \left (x^{4}-x^{3}+2 x^{2}-4 x +8\right )-\ln \left (x^{5}+16\right )+\ln \left (2+x \right )\) | \(38\) |
norman | \(\ln \left (\ln \relax (x )\right )+\ln \relax (x )+\ln \left (x^{4}-x^{3}+2 x^{2}-4 x +8\right )-\ln \left (x^{5}+16\right )+\ln \left (2+x \right )\) | \(38\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.39, size = 37, normalized size = 2.06 \begin {gather*} -\log \left (x^{5} + 16\right ) + \log \left (x^{4} - x^{3} + 2 \, x^{2} - 4 \, x + 8\right ) + \log \left (x + 2\right ) + \log \relax (x) + \log \left (\log \relax (x)\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 5.47, size = 23, normalized size = 1.28 \begin {gather*} \ln \left (\ln \relax (x)\right )+\ln \left (x\,\left (x^5+x^4+16\right )\right )-\ln \left (x^5+16\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.21, size = 22, normalized size = 1.22 \begin {gather*} - \log {\left (x^{5} + 16 \right )} + \log {\left (x^{6} + x^{5} + 16 x \right )} + \log {\left (\log {\relax (x )} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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