Optimal. Leaf size=27 \[ \log \left (\log \left (x-x^3-\log \left (5 \left (4+\left (x-\frac {x^2}{4}\right )^2\right )\right )\right )\right ) \]
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Rubi [A] time = 0.22, antiderivative size = 31, normalized size of antiderivative = 1.15, number of steps used = 1, number of rules used = 1, integrand size = 132, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.008, Rules used = {6684} \begin {gather*} \log \left (\log \left (-x^3-\log \left (\frac {5}{16} \left (x^4-8 x^3+16 x^2+64\right )\right )+x\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 6684
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\log \left (\log \left (x-x^3-\log \left (\frac {5}{16} \left (64+16 x^2-8 x^3+x^4\right )\right )\right )\right )\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.05, size = 31, normalized size = 1.15 \begin {gather*} \log \left (\log \left (x-x^3-\log \left (\frac {5}{16} \left (64+16 x^2-8 x^3+x^4\right )\right )\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.73, size = 29, normalized size = 1.07 \begin {gather*} \log \left (\log \left (-x^{3} + x - \log \left (\frac {5}{16} \, x^{4} - \frac {5}{2} \, x^{3} + 5 \, x^{2} + 20\right )\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 30, normalized size = 1.11
method | result | size |
risch | \(\ln \left (\ln \left (-\ln \left (\frac {5}{16} x^{4}-\frac {5}{2} x^{3}+5 x^{2}+20\right )-x^{3}+x \right )\right )\) | \(30\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.92, size = 35, normalized size = 1.30 \begin {gather*} \log \left (\log \left (-x^{3} + x - \log \relax (5) + 4 \, \log \relax (2) - \log \left (x^{4} - 8 \, x^{3} + 16 \, x^{2} + 64\right )\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.72, size = 29, normalized size = 1.07 \begin {gather*} \ln \left (\ln \left (x-\ln \left (\frac {5\,x^4}{16}-\frac {5\,x^3}{2}+5\,x^2+20\right )-x^3\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.58, size = 29, normalized size = 1.07 \begin {gather*} \log {\left (\log {\left (- x^{3} + x - \log {\left (\frac {5 x^{4}}{16} - \frac {5 x^{3}}{2} + 5 x^{2} + 20 \right )} \right )} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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