Integrand size = 18, antiderivative size = 38 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {\sqrt {-1+x^6} \left (2+7 x^6\right )}{24 x^{12}}+\frac {7}{24} \arctan \left (\sqrt {-1+x^6}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.24, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {457, 79, 44, 65, 209} \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {7}{24} \arctan \left (\sqrt {x^6-1}\right )+\frac {7 \sqrt {x^6-1}}{24 x^6}+\frac {\sqrt {x^6-1}}{12 x^{12}} \]
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Rule 44
Rule 65
Rule 79
Rule 209
Rule 457
Rubi steps \begin{align*} \text {integral}& = \frac {1}{6} \text {Subst}\left (\int \frac {1+x}{\sqrt {-1+x} x^3} \, dx,x,x^6\right ) \\ & = \frac {\sqrt {-1+x^6}}{12 x^{12}}+\frac {7}{24} \text {Subst}\left (\int \frac {1}{\sqrt {-1+x} x^2} \, dx,x,x^6\right ) \\ & = \frac {\sqrt {-1+x^6}}{12 x^{12}}+\frac {7 \sqrt {-1+x^6}}{24 x^6}+\frac {7}{48} \text {Subst}\left (\int \frac {1}{\sqrt {-1+x} x} \, dx,x,x^6\right ) \\ & = \frac {\sqrt {-1+x^6}}{12 x^{12}}+\frac {7 \sqrt {-1+x^6}}{24 x^6}+\frac {7}{24} \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\sqrt {-1+x^6}\right ) \\ & = \frac {\sqrt {-1+x^6}}{12 x^{12}}+\frac {7 \sqrt {-1+x^6}}{24 x^6}+\frac {7}{24} \arctan \left (\sqrt {-1+x^6}\right ) \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.00 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {\sqrt {-1+x^6} \left (2+7 x^6\right )}{24 x^{12}}+\frac {7}{24} \arctan \left (\sqrt {-1+x^6}\right ) \]
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Time = 1.45 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.08
method | result | size |
pseudoelliptic | \(\frac {-7 \arctan \left (\frac {1}{\sqrt {x^{6}-1}}\right ) x^{12}+7 \sqrt {x^{6}-1}\, x^{6}+2 \sqrt {x^{6}-1}}{24 x^{12}}\) | \(41\) |
trager | \(\frac {\sqrt {x^{6}-1}\, \left (7 x^{6}+2\right )}{24 x^{12}}+\frac {7 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1\right ) \ln \left (\frac {\operatorname {RootOf}\left (\textit {\_Z}^{2}+1\right )+\sqrt {x^{6}-1}}{x^{3}}\right )}{24}\) | \(48\) |
risch | \(\frac {7 x^{12}-5 x^{6}-2}{24 x^{12} \sqrt {x^{6}-1}}+\frac {7 \sqrt {-\operatorname {signum}\left (x^{6}-1\right )}\, \left (-2 \sqrt {\pi }\, \ln \left (\frac {1}{2}+\frac {\sqrt {-x^{6}+1}}{2}\right )+\left (-2 \ln \left (2\right )+6 \ln \left (x \right )+i \pi \right ) \sqrt {\pi }\right )}{48 \sqrt {\pi }\, \sqrt {\operatorname {signum}\left (x^{6}-1\right )}}\) | \(86\) |
meijerg | \(-\frac {\sqrt {-\operatorname {signum}\left (x^{6}-1\right )}\, \left (-\frac {\sqrt {\pi }\, \left (-4 x^{6}+8\right )}{8 x^{6}}+\frac {\sqrt {\pi }\, \sqrt {-x^{6}+1}}{x^{6}}+\sqrt {\pi }\, \ln \left (\frac {1}{2}+\frac {\sqrt {-x^{6}+1}}{2}\right )-\frac {\left (1-2 \ln \left (2\right )+6 \ln \left (x \right )+i \pi \right ) \sqrt {\pi }}{2}+\frac {\sqrt {\pi }}{x^{6}}\right )}{6 \sqrt {\pi }\, \sqrt {\operatorname {signum}\left (x^{6}-1\right )}}+\frac {\sqrt {-\operatorname {signum}\left (x^{6}-1\right )}\, \left (\frac {\sqrt {\pi }\, \left (-7 x^{12}+8 x^{6}+8\right )}{16 x^{12}}-\frac {\sqrt {\pi }\, \left (12 x^{6}+8\right ) \sqrt {-x^{6}+1}}{16 x^{12}}-\frac {3 \sqrt {\pi }\, \ln \left (\frac {1}{2}+\frac {\sqrt {-x^{6}+1}}{2}\right )}{4}+\frac {3 \left (\frac {7}{6}-2 \ln \left (2\right )+6 \ln \left (x \right )+i \pi \right ) \sqrt {\pi }}{8}-\frac {\sqrt {\pi }}{2 x^{12}}-\frac {\sqrt {\pi }}{2 x^{6}}\right )}{6 \sqrt {\pi }\, \sqrt {\operatorname {signum}\left (x^{6}-1\right )}}\) | \(223\) |
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Time = 0.25 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.89 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {7 \, x^{12} \arctan \left (\sqrt {x^{6} - 1}\right ) + {\left (7 \, x^{6} + 2\right )} \sqrt {x^{6} - 1}}{24 \, x^{12}} \]
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Time = 24.10 (sec) , antiderivative size = 44, normalized size of antiderivative = 1.16 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {7 \operatorname {atan}{\left (\sqrt {x^{6} - 1} \right )}}{24} + \frac {\sqrt {x^{6} - 1}}{3 x^{6}} + \frac {\left (2 - x^{6}\right ) \sqrt {x^{6} - 1}}{24 x^{12}} \]
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Time = 0.30 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.58 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {3 \, {\left (x^{6} - 1\right )}^{\frac {3}{2}} + 5 \, \sqrt {x^{6} - 1}}{24 \, {\left (2 \, x^{6} + {\left (x^{6} - 1\right )}^{2} - 1\right )}} + \frac {\sqrt {x^{6} - 1}}{6 \, x^{6}} + \frac {7}{24} \, \arctan \left (\sqrt {x^{6} - 1}\right ) \]
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.92 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {7 \, {\left (x^{6} - 1\right )}^{\frac {3}{2}} + 9 \, \sqrt {x^{6} - 1}}{24 \, x^{12}} + \frac {7}{24} \, \arctan \left (\sqrt {x^{6} - 1}\right ) \]
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Time = 5.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.92 \[ \int \frac {1+x^6}{x^{13} \sqrt {-1+x^6}} \, dx=\frac {7\,\mathrm {atan}\left (\sqrt {x^6-1}\right )}{24}+\frac {7\,\sqrt {x^6-1}}{24\,x^6}+\frac {\sqrt {x^6-1}}{12\,x^{12}} \]
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