Optimal. Leaf size=39 \[ -\frac {\tan ^{-1}\left (\frac {1+2 x^5}{\sqrt {3}}\right )}{5 \sqrt {3}}+\log (x)-\frac {1}{10} \log \left (1+x^5+x^{10}\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 39, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 8, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.800, Rules used = {1608, 1371,
719, 29, 648, 632, 210, 642} \begin {gather*} -\frac {\text {ArcTan}\left (\frac {2 x^5+1}{\sqrt {3}}\right )}{5 \sqrt {3}}-\frac {1}{10} \log \left (x^{10}+x^5+1\right )+\log (x) \end {gather*}
Antiderivative was successfully verified.
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Rule 29
Rule 210
Rule 632
Rule 642
Rule 648
Rule 719
Rule 1371
Rule 1608
Rubi steps
\begin {align*} \int \frac {1}{x+x^6+x^{11}} \, dx &=\int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx\\ &=\frac {1}{5} \text {Subst}\left (\int \frac {1}{x \left (1+x+x^2\right )} \, dx,x,x^5\right )\\ &=\frac {1}{5} \text {Subst}\left (\int \frac {1}{x} \, dx,x,x^5\right )+\frac {1}{5} \text {Subst}\left (\int \frac {-1-x}{1+x+x^2} \, dx,x,x^5\right )\\ &=\log (x)-\frac {1}{10} \text {Subst}\left (\int \frac {1}{1+x+x^2} \, dx,x,x^5\right )-\frac {1}{10} \text {Subst}\left (\int \frac {1+2 x}{1+x+x^2} \, dx,x,x^5\right )\\ &=\log (x)-\frac {1}{10} \log \left (1+x^5+x^{10}\right )+\frac {1}{5} \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+2 x^5\right )\\ &=-\frac {\tan ^{-1}\left (\frac {1+2 x^5}{\sqrt {3}}\right )}{5 \sqrt {3}}+\log (x)-\frac {1}{10} \log \left (1+x^5+x^{10}\right )\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 9 vs. order 3 in
optimal.
time = 0.01, size = 197, normalized size = 5.05 \begin {gather*} \frac {\tan ^{-1}\left (\frac {1+2 x}{\sqrt {3}}\right )}{5 \sqrt {3}}+\log (x)-\frac {1}{10} \log \left (1+x+x^2\right )-\frac {1}{5} \text {RootSum}\left [1-\text {$\#$1}+\text {$\#$1}^3-\text {$\#$1}^4+\text {$\#$1}^5-\text {$\#$1}^7+\text {$\#$1}^8\&,\frac {-\log (x-\text {$\#$1}) \text {$\#$1}+2 \log (x-\text {$\#$1}) \text {$\#$1}^2-\log (x-\text {$\#$1}) \text {$\#$1}^3+3 \log (x-\text {$\#$1}) \text {$\#$1}^4-\log (x-\text {$\#$1}) \text {$\#$1}^5-3 \log (x-\text {$\#$1}) \text {$\#$1}^6+4 \log (x-\text {$\#$1}) \text {$\#$1}^7}{-1+3 \text {$\#$1}^2-4 \text {$\#$1}^3+5 \text {$\#$1}^4-7 \text {$\#$1}^6+8 \text {$\#$1}^7}\&\right ] \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains complex when optimal does not.
time = 0.03, size = 131, normalized size = 3.36
method | result | size |
risch | \(\ln \left (x \right )-\frac {\ln \left (x^{10}+x^{5}+1\right )}{10}-\frac {\sqrt {3}\, \arctan \left (\frac {2 \left (x^{5}+\frac {1}{2}\right ) \sqrt {3}}{3}\right )}{15}\) | \(31\) |
default | \(-\frac {\ln \left (x^{2}+x +1\right )}{10}+\frac {\arctan \left (\frac {\left (2 x +1\right ) \sqrt {3}}{3}\right ) \sqrt {3}}{15}-\frac {\left (\frac {1}{2}+\frac {i \sqrt {3}}{6}\right ) \ln \left (2 x^{4}+\left (-1+i \sqrt {3}\right ) x^{3}+\left (-1-i \sqrt {3}\right ) x^{2}+2 x -1+i \sqrt {3}\right )}{5}-\frac {\left (\frac {1}{2}-\frac {i \sqrt {3}}{6}\right ) \ln \left (2 x^{4}+\left (-1-i \sqrt {3}\right ) x^{3}+\left (-1+i \sqrt {3}\right ) x^{2}+2 x -1-i \sqrt {3}\right )}{5}+\ln \left (x \right )\) | \(131\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 32, normalized size = 0.82 \begin {gather*} -\frac {1}{15} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, x^{5} + 1\right )}\right ) - \frac {1}{10} \, \log \left (x^{10} + x^{5} + 1\right ) + \log \left (x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.08, size = 41, normalized size = 1.05 \begin {gather*} \log {\left (x \right )} - \frac {\log {\left (x^{10} + x^{5} + 1 \right )}}{10} - \frac {\sqrt {3} \operatorname {atan}{\left (\frac {2 \sqrt {3} x^{5}}{3} + \frac {\sqrt {3}}{3} \right )}}{15} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.65, size = 33, normalized size = 0.85 \begin {gather*} -\frac {1}{15} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, x^{5} + 1\right )}\right ) - \frac {1}{10} \, \log \left (x^{10} + x^{5} + 1\right ) + \log \left ({\left | x \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 34, normalized size = 0.87 \begin {gather*} \ln \left (x\right )-\frac {\ln \left (x^{10}+x^5+1\right )}{10}-\frac {\sqrt {3}\,\mathrm {atan}\left (\frac {2\,\sqrt {3}\,x^5}{3}+\frac {\sqrt {3}}{3}\right )}{15} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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