Integrand size = 14, antiderivative size = 39 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=-\frac {\arctan \left (\frac {1+2 x^5}{\sqrt {3}}\right )}{5 \sqrt {3}}+\log (x)-\frac {1}{10} \log \left (1+x^5+x^{10}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {1371, 719, 29, 648, 632, 210, 642} \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=-\frac {\arctan \left (\frac {2 x^5+1}{\sqrt {3}}\right )}{5 \sqrt {3}}-\frac {1}{10} \log \left (x^{10}+x^5+1\right )+\log (x) \]
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Rule 29
Rule 210
Rule 632
Rule 642
Rule 648
Rule 719
Rule 1371
Rubi steps \begin{align*} \text {integral}& = \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*}
Result contains higher order function than in optimal. Order 9 vs. order 3 in optimal.
Time = 0.05 (sec) , antiderivative size = 197, normalized size of antiderivative = 5.05 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=\frac {\arctan \left (\frac {1+2 x}{\sqrt {3}}\right )}{5 \sqrt {3}}+\log (x)-\frac {1}{10} \log \left (1+x+x^2\right )-\frac {1}{5} \text {RootSum}\left [1-\text {$\#$1}+\text {$\#$1}^3-\text {$\#$1}^4+\text {$\#$1}^5-\text {$\#$1}^7+\text {$\#$1}^8\&,\frac {-\log (x-\text {$\#$1}) \text {$\#$1}+2 \log (x-\text {$\#$1}) \text {$\#$1}^2-\log (x-\text {$\#$1}) \text {$\#$1}^3+3 \log (x-\text {$\#$1}) \text {$\#$1}^4-\log (x-\text {$\#$1}) \text {$\#$1}^5-3 \log (x-\text {$\#$1}) \text {$\#$1}^6+4 \log (x-\text {$\#$1}) \text {$\#$1}^7}{-1+3 \text {$\#$1}^2-4 \text {$\#$1}^3+5 \text {$\#$1}^4-7 \text {$\#$1}^6+8 \text {$\#$1}^7}\&\right ] \]
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Time = 0.10 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.79
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 | \(\ln \left (x \right )-\frac {\left (\frac {1}{2}+\frac {i \sqrt {3}}{6}\right ) \ln \left (2 x^{4}+\left (-1+i \sqrt {3}\right ) x^{3}+\left (-1-i \sqrt {3}\right ) x^{2}+2 x -1+i \sqrt {3}\right )}{5}-\frac {\left (\frac {1}{2}-\frac {i \sqrt {3}}{6}\right ) \ln \left (2 x^{4}+\left (-1-i \sqrt {3}\right ) x^{3}+\left (-1+i \sqrt {3}\right ) x^{2}+2 x -1-i \sqrt {3}\right )}{5}-\frac {\ln \left (x^{2}+x +1\right )}{10}+\frac {\arctan \left (\frac {\left (1+2 x \right ) \sqrt {3}}{3}\right ) \sqrt {3}}{15}\) | \(131\) |
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Time = 0.26 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.82 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=-\frac {1}{15} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, x^{5} + 1\right )}\right ) - \frac {1}{10} \, \log \left (x^{10} + x^{5} + 1\right ) + \log \left (x\right ) \]
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Time = 0.08 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.05 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=\log {\left (x \right )} - \frac {\log {\left (x^{10} + x^{5} + 1 \right )}}{10} - \frac {\sqrt {3} \operatorname {atan}{\left (\frac {2 \sqrt {3} x^{5}}{3} + \frac {\sqrt {3}}{3} \right )}}{15} \]
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Time = 0.26 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.92 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=-\frac {1}{15} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, x^{5} + 1\right )}\right ) - \frac {1}{10} \, \log \left (x^{10} + x^{5} + 1\right ) + \frac {1}{5} \, \log \left (x^{5}\right ) \]
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Time = 0.30 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.85 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=-\frac {1}{15} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, x^{5} + 1\right )}\right ) - \frac {1}{10} \, \log \left (x^{10} + x^{5} + 1\right ) + \log \left ({\left | x \right |}\right ) \]
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Time = 0.04 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.87 \[ \int \frac {1}{x \left (1+x^5+x^{10}\right )} \, dx=\ln \left (x\right )-\frac {\ln \left (x^{10}+x^5+1\right )}{10}-\frac {\sqrt {3}\,\mathrm {atan}\left (\frac {2\,\sqrt {3}\,x^5}{3}+\frac {\sqrt {3}}{3}\right )}{15} \]
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