Optimal. Leaf size=31 \[ \frac {\sqrt {x^6-1}}{6 x^6}+\frac {1}{6} \tan ^{-1}\left (\sqrt {x^6-1}\right ) \]
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Rubi [A] time = 0.01, antiderivative size = 31, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {266, 51, 63, 203} \begin {gather*} \frac {\sqrt {x^6-1}}{6 x^6}+\frac {1}{6} \tan ^{-1}\left (\sqrt {x^6-1}\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 51
Rule 63
Rule 203
Rule 266
Rubi steps
\begin {align*} \int \frac {1}{x^7 \sqrt {-1+x^6}} \, dx &=\frac {1}{6} \operatorname {Subst}\left (\int \frac {1}{\sqrt {-1+x} x^2} \, dx,x,x^6\right )\\ &=\frac {\sqrt {-1+x^6}}{6 x^6}+\frac {1}{12} \operatorname {Subst}\left (\int \frac {1}{\sqrt {-1+x} x} \, dx,x,x^6\right )\\ &=\frac {\sqrt {-1+x^6}}{6 x^6}+\frac {1}{6} \operatorname {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\sqrt {-1+x^6}\right )\\ &=\frac {\sqrt {-1+x^6}}{6 x^6}+\frac {1}{6} \tan ^{-1}\left (\sqrt {-1+x^6}\right )\\ \end {align*}
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Mathematica [A] time = 0.02, size = 41, normalized size = 1.32 \begin {gather*} \frac {1}{6} \sqrt {x^6-1} \left (\frac {1}{x^6}+\frac {\tanh ^{-1}\left (\sqrt {1-x^6}\right )}{\sqrt {1-x^6}}\right ) \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.02, size = 31, normalized size = 1.00 \begin {gather*} \frac {\sqrt {-1+x^6}}{6 x^6}+\frac {1}{6} \tan ^{-1}\left (\sqrt {-1+x^6}\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 25, normalized size = 0.81 \begin {gather*} \frac {x^{6} \arctan \left (\sqrt {x^{6} - 1}\right ) + \sqrt {x^{6} - 1}}{6 \, x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.26, size = 23, normalized size = 0.74 \begin {gather*} \frac {\sqrt {x^{6} - 1}}{6 \, x^{6}} + \frac {1}{6} \, \arctan \left (\sqrt {x^{6} - 1}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.37, size = 20, normalized size = 0.65
method | result | size |
risch | \(\frac {\sqrt {x^{6}-1}}{6 x^{6}}-\frac {\arcsin \left (\frac {1}{x^{3}}\right )}{6}\) | \(20\) |
trager | \(\frac {\sqrt {x^{6}-1}}{6 x^{6}}-\frac {\RootOf \left (\textit {\_Z}^{2}+1\right ) \ln \left (-\frac {\RootOf \left (\textit {\_Z}^{2}+1\right )-\sqrt {x^{6}-1}}{x^{3}}\right )}{6}\) | \(44\) |
meijerg | \(-\frac {\sqrt {-\mathrm {signum}\left (x^{6}-1\right )}\, \left (\frac {\sqrt {\pi }}{x^{6}}-\frac {\left (1-2 \ln \relax (2)+6 \ln \relax (x )+i \pi \right ) \sqrt {\pi }}{2}-\frac {\sqrt {\pi }\, \left (-4 x^{6}+8\right )}{8 x^{6}}+\frac {\sqrt {\pi }\, \sqrt {-x^{6}+1}}{x^{6}}+\ln \left (\frac {1}{2}+\frac {\sqrt {-x^{6}+1}}{2}\right ) \sqrt {\pi }\right )}{6 \sqrt {\mathrm {signum}\left (x^{6}-1\right )}\, \sqrt {\pi }}\) | \(100\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.47, size = 23, normalized size = 0.74 \begin {gather*} \frac {\sqrt {x^{6} - 1}}{6 \, x^{6}} + \frac {1}{6} \, \arctan \left (\sqrt {x^{6} - 1}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.37, size = 23, normalized size = 0.74 \begin {gather*} \frac {\mathrm {atan}\left (\sqrt {x^6-1}\right )}{6}+\frac {\sqrt {x^6-1}}{6\,x^6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.58, size = 73, normalized size = 2.35 \begin {gather*} \begin {cases} \frac {i \operatorname {acosh}{\left (\frac {1}{x^{3}} \right )}}{6} + \frac {i \sqrt {-1 + \frac {1}{x^{6}}}}{6 x^{3}} & \text {for}\: \frac {1}{\left |{x^{6}}\right |} > 1 \\- \frac {\operatorname {asin}{\left (\frac {1}{x^{3}} \right )}}{6} + \frac {1}{6 x^{3} \sqrt {1 - \frac {1}{x^{6}}}} - \frac {1}{6 x^{9} \sqrt {1 - \frac {1}{x^{6}}}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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