Integrand size = 13, antiderivative size = 12 \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {1}{18} \text {arctanh}\left (\frac {x^6}{3}\right ) \]
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Time = 0.00 (sec) , antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {281, 212} \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {1}{18} \text {arctanh}\left (\frac {x^6}{3}\right ) \]
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Rule 212
Rule 281
Rubi steps \begin{align*} \text {integral}& = \frac {1}{6} \text {Subst}\left (\int \frac {1}{9-x^2} \, dx,x,x^6\right ) \\ & = \frac {1}{18} \tanh ^{-1}\left (\frac {x^6}{3}\right ) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.92 \[ \int \frac {x^5}{9-x^{12}} \, dx=-\frac {1}{36} \log \left (3-x^6\right )+\frac {1}{36} \log \left (3+x^6\right ) \]
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Time = 3.50 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.75
method | result | size |
meijerg | \(\frac {\operatorname {arctanh}\left (\frac {x^{6}}{3}\right )}{18}\) | \(9\) |
default | \(\frac {\ln \left (x^{6}+3\right )}{36}-\frac {\ln \left (x^{6}-3\right )}{36}\) | \(18\) |
norman | \(\frac {\ln \left (x^{6}+3\right )}{36}-\frac {\ln \left (x^{6}-3\right )}{36}\) | \(18\) |
risch | \(\frac {\ln \left (x^{6}+3\right )}{36}-\frac {\ln \left (x^{6}-3\right )}{36}\) | \(18\) |
parallelrisch | \(\frac {\ln \left (x^{6}+3\right )}{36}-\frac {\ln \left (x^{6}-3\right )}{36}\) | \(18\) |
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Leaf count of result is larger than twice the leaf count of optimal. 17 vs. \(2 (8) = 16\).
Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.42 \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {1}{36} \, \log \left (x^{6} + 3\right ) - \frac {1}{36} \, \log \left (x^{6} - 3\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 15 vs. \(2 (7) = 14\).
Time = 0.06 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.25 \[ \int \frac {x^5}{9-x^{12}} \, dx=- \frac {\log {\left (x^{6} - 3 \right )}}{36} + \frac {\log {\left (x^{6} + 3 \right )}}{36} \]
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Leaf count of result is larger than twice the leaf count of optimal. 17 vs. \(2 (8) = 16\).
Time = 0.27 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.42 \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {1}{36} \, \log \left (x^{6} + 3\right ) - \frac {1}{36} \, \log \left (x^{6} - 3\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 18 vs. \(2 (8) = 16\).
Time = 0.29 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.50 \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {1}{36} \, \log \left (x^{6} + 3\right ) - \frac {1}{36} \, \log \left ({\left | x^{6} - 3 \right |}\right ) \]
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Time = 0.11 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.67 \[ \int \frac {x^5}{9-x^{12}} \, dx=\frac {\mathrm {atanh}\left (\frac {x^6}{3}\right )}{18} \]
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