Integrand size = 34, antiderivative size = 79 \[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=-\frac {\arctan \left (\frac {\sqrt {2} x \sqrt {1-x^6}}{-1+x^2+x^6}\right )}{2 \sqrt {2}}-\frac {\text {arctanh}\left (\frac {\sqrt {2} x \sqrt {1-x^6}}{-1-x^2+x^6}\right )}{2 \sqrt {2}} \]
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\[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {\sqrt {1-x^6}}{1+x^4-2 x^6+x^{12}}+\frac {2 x^6 \sqrt {1-x^6}}{1+x^4-2 x^6+x^{12}}\right ) \, dx \\ & = 2 \int \frac {x^6 \sqrt {1-x^6}}{1+x^4-2 x^6+x^{12}} \, dx+\int \frac {\sqrt {1-x^6}}{1+x^4-2 x^6+x^{12}} \, dx \\ \end{align*}
Time = 3.59 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.76 \[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=-\frac {\arctan \left (\frac {x \sqrt {2-2 x^6}}{-1+x^2+x^6}\right )+\text {arctanh}\left (\frac {-1-x^2+x^6}{x \sqrt {2-2 x^6}}\right )}{2 \sqrt {2}} \]
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Time = 7.02 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.34
method | result | size |
pseudoelliptic | \(-\frac {\sqrt {2}\, \left (\ln \left (\frac {x^{6}+\sqrt {-x^{6}+1}\, \sqrt {2}\, x -x^{2}-1}{x^{6}-\sqrt {-x^{6}+1}\, \sqrt {2}\, x -x^{2}-1}\right )+2 \arctan \left (\frac {\sqrt {-x^{6}+1}\, \sqrt {2}+x}{x}\right )+2 \arctan \left (\frac {\sqrt {-x^{6}+1}\, \sqrt {2}-x}{x}\right )\right )}{8}\) | \(106\) |
trager | \(-\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \ln \left (-\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) x^{6}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} x^{2}+2 \sqrt {-x^{6}+1}\, x -\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )}{-x^{6}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{2}+1}\right )}{4}+\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \ln \left (-\frac {-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} x^{6}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{5} x^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3}+2 \sqrt {-x^{6}+1}\, x}{x^{6}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{2}-1}\right )}{4}\) | \(155\) |
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Result contains complex when optimal does not.
Time = 0.36 (sec) , antiderivative size = 309, normalized size of antiderivative = 3.91 \[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\left (\frac {1}{16} i + \frac {1}{16}\right ) \, \sqrt {2} \log \left (\frac {\sqrt {2} {\left (\left (i + 1\right ) \, x^{12} + \left (2 i - 2\right ) \, x^{8} - \left (2 i + 2\right ) \, x^{6} - \left (i + 1\right ) \, x^{4} - \left (2 i - 2\right ) \, x^{2} + i + 1\right )} - 4 \, {\left (x^{7} + i \, x^{3} - x\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1}\right ) - \left (\frac {1}{16} i - \frac {1}{16}\right ) \, \sqrt {2} \log \left (\frac {\sqrt {2} {\left (-\left (i - 1\right ) \, x^{12} - \left (2 i + 2\right ) \, x^{8} + \left (2 i - 2\right ) \, x^{6} + \left (i - 1\right ) \, x^{4} + \left (2 i + 2\right ) \, x^{2} - i + 1\right )} - 4 \, {\left (x^{7} - i \, x^{3} - x\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1}\right ) + \left (\frac {1}{16} i - \frac {1}{16}\right ) \, \sqrt {2} \log \left (\frac {\sqrt {2} {\left (\left (i - 1\right ) \, x^{12} + \left (2 i + 2\right ) \, x^{8} - \left (2 i - 2\right ) \, x^{6} - \left (i - 1\right ) \, x^{4} - \left (2 i + 2\right ) \, x^{2} + i - 1\right )} - 4 \, {\left (x^{7} - i \, x^{3} - x\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1}\right ) - \left (\frac {1}{16} i + \frac {1}{16}\right ) \, \sqrt {2} \log \left (\frac {\sqrt {2} {\left (-\left (i + 1\right ) \, x^{12} - \left (2 i - 2\right ) \, x^{8} + \left (2 i + 2\right ) \, x^{6} + \left (i + 1\right ) \, x^{4} + \left (2 i - 2\right ) \, x^{2} - i - 1\right )} - 4 \, {\left (x^{7} + i \, x^{3} - x\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1}\right ) \]
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\[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\int \frac {\sqrt {- \left (x - 1\right ) \left (x + 1\right ) \left (x^{2} - x + 1\right ) \left (x^{2} + x + 1\right )} \left (2 x^{6} + 1\right )}{x^{12} - 2 x^{6} + x^{4} + 1}\, dx \]
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\[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\int { \frac {{\left (2 \, x^{6} + 1\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1} \,d x } \]
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\[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\int { \frac {{\left (2 \, x^{6} + 1\right )} \sqrt {-x^{6} + 1}}{x^{12} - 2 \, x^{6} + x^{4} + 1} \,d x } \]
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Timed out. \[ \int \frac {\sqrt {1-x^6} \left (1+2 x^6\right )}{1+x^4-2 x^6+x^{12}} \, dx=\int \frac {\sqrt {1-x^6}\,\left (2\,x^6+1\right )}{x^{12}-2\,x^6+x^4+1} \,d x \]
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