Integrand size = 13, antiderivative size = 90 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=-\frac {\left (1+x^6\right )^{2/3}}{6 x^6}+\frac {\arctan \left (\frac {1}{\sqrt {3}}+\frac {2 \sqrt [3]{1+x^6}}{\sqrt {3}}\right )}{3 \sqrt {3}}+\frac {1}{9} \log \left (-1+\sqrt [3]{1+x^6}\right )-\frac {1}{18} \log \left (1+\sqrt [3]{1+x^6}+\left (1+x^6\right )^{2/3}\right ) \]
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Time = 0.04 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.78, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.462, Rules used = {272, 43, 57, 632, 210, 31} \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {\arctan \left (\frac {2 \sqrt [3]{x^6+1}+1}{\sqrt {3}}\right )}{3 \sqrt {3}}-\frac {\left (x^6+1\right )^{2/3}}{6 x^6}+\frac {1}{6} \log \left (1-\sqrt [3]{x^6+1}\right )-\frac {\log (x)}{3} \]
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Rule 31
Rule 43
Rule 57
Rule 210
Rule 272
Rule 632
Rubi steps \begin{align*} \text {integral}& = \frac {1}{6} \text {Subst}\left (\int \frac {(1+x)^{2/3}}{x^2} \, dx,x,x^6\right ) \\ & = -\frac {\left (1+x^6\right )^{2/3}}{6 x^6}+\frac {1}{9} \text {Subst}\left (\int \frac {1}{x \sqrt [3]{1+x}} \, dx,x,x^6\right ) \\ & = -\frac {\left (1+x^6\right )^{2/3}}{6 x^6}-\frac {\log (x)}{3}-\frac {1}{6} \text {Subst}\left (\int \frac {1}{1-x} \, dx,x,\sqrt [3]{1+x^6}\right )+\frac {1}{6} \text {Subst}\left (\int \frac {1}{1+x+x^2} \, dx,x,\sqrt [3]{1+x^6}\right ) \\ & = -\frac {\left (1+x^6\right )^{2/3}}{6 x^6}-\frac {\log (x)}{3}+\frac {1}{6} \log \left (1-\sqrt [3]{1+x^6}\right )-\frac {1}{3} \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+2 \sqrt [3]{1+x^6}\right ) \\ & = -\frac {\left (1+x^6\right )^{2/3}}{6 x^6}+\frac {\arctan \left (\frac {1+2 \sqrt [3]{1+x^6}}{\sqrt {3}}\right )}{3 \sqrt {3}}-\frac {\log (x)}{3}+\frac {1}{6} \log \left (1-\sqrt [3]{1+x^6}\right ) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.92 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {1}{18} \left (-\frac {3 \left (1+x^6\right )^{2/3}}{x^6}+2 \sqrt {3} \arctan \left (\frac {1+2 \sqrt [3]{1+x^6}}{\sqrt {3}}\right )+2 \log \left (-1+\sqrt [3]{1+x^6}\right )-\log \left (1+\sqrt [3]{1+x^6}+\left (1+x^6\right )^{2/3}\right )\right ) \]
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Result contains higher order function than in optimal. Order 5 vs. order 3.
Time = 6.22 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.84
method | result | size |
meijerg | \(-\frac {\sqrt {3}\, \Gamma \left (\frac {2}{3}\right ) \left (\frac {\pi \sqrt {3}\, x^{6} \operatorname {hypergeom}\left (\left [1, 1, \frac {4}{3}\right ], \left [2, 3\right ], -x^{6}\right )}{9 \Gamma \left (\frac {2}{3}\right )}-\frac {2 \left (-\frac {\pi \sqrt {3}}{6}-\frac {3 \ln \left (3\right )}{2}-1+6 \ln \left (x \right )\right ) \pi \sqrt {3}}{3 \Gamma \left (\frac {2}{3}\right )}+\frac {\pi \sqrt {3}}{\Gamma \left (\frac {2}{3}\right ) x^{6}}\right )}{18 \pi }\) | \(76\) |
risch | \(-\frac {\left (x^{6}+1\right )^{\frac {2}{3}}}{6 x^{6}}+\frac {\sqrt {3}\, \Gamma \left (\frac {2}{3}\right ) \left (-\frac {2 \pi \sqrt {3}\, x^{6} \operatorname {hypergeom}\left (\left [1, 1, \frac {4}{3}\right ], \left [2, 2\right ], -x^{6}\right )}{9 \Gamma \left (\frac {2}{3}\right )}+\frac {2 \left (-\frac {\pi \sqrt {3}}{6}-\frac {3 \ln \left (3\right )}{2}+6 \ln \left (x \right )\right ) \pi \sqrt {3}}{3 \Gamma \left (\frac {2}{3}\right )}\right )}{18 \pi }\) | \(76\) |
pseudoelliptic | \(\frac {2 \sqrt {3}\, \arctan \left (\frac {\left (2 \left (x^{6}+1\right )^{\frac {1}{3}}+1\right ) \sqrt {3}}{3}\right ) x^{6}+2 \ln \left (-1+\left (x^{6}+1\right )^{\frac {1}{3}}\right ) x^{6}-\ln \left (1+\left (x^{6}+1\right )^{\frac {1}{3}}+\left (x^{6}+1\right )^{\frac {2}{3}}\right ) x^{6}-3 \left (x^{6}+1\right )^{\frac {2}{3}}}{18 \left (-1+\left (x^{6}+1\right )^{\frac {1}{3}}\right ) \left (1+\left (x^{6}+1\right )^{\frac {1}{3}}+\left (x^{6}+1\right )^{\frac {2}{3}}\right )}\) | \(104\) |
trager | \(-\frac {\left (x^{6}+1\right )^{\frac {2}{3}}}{6 x^{6}}+\frac {\ln \left (\frac {184653895 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )^{2} x^{6}-538491663 x^{6} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )+338367746 x^{6}+1600004967 \left (x^{6}+1\right )^{\frac {2}{3}} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )-184653895 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )^{2}-1030573260 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right ) \left (x^{6}+1\right )^{\frac {1}{3}}+569431707 \left (x^{6}+1\right )^{\frac {2}{3}}-754085602 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )-1600004967 \left (x^{6}+1\right )^{\frac {1}{3}}+845919365}{x^{6}}\right )}{9}+\frac {\operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right ) \ln \left (\frac {169183873 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )^{2} x^{6}+322897724 x^{6} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )-553961685 x^{6}-1600004967 \left (x^{6}+1\right )^{\frac {2}{3}} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )-169183873 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )^{2}+569431707 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right ) \left (x^{6}+1\right )^{\frac {1}{3}}-1030573260 \left (x^{6}+1\right )^{\frac {2}{3}}+861389387 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\textit {\_Z} +1\right )+1600004967 \left (x^{6}+1\right )^{\frac {1}{3}}-738615580}{x^{6}}\right )}{9}\) | \(241\) |
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Time = 0.25 (sec) , antiderivative size = 79, normalized size of antiderivative = 0.88 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {2 \, \sqrt {3} x^{6} \arctan \left (\frac {2}{3} \, \sqrt {3} {\left (x^{6} + 1\right )}^{\frac {1}{3}} + \frac {1}{3} \, \sqrt {3}\right ) - x^{6} \log \left ({\left (x^{6} + 1\right )}^{\frac {2}{3}} + {\left (x^{6} + 1\right )}^{\frac {1}{3}} + 1\right ) + 2 \, x^{6} \log \left ({\left (x^{6} + 1\right )}^{\frac {1}{3}} - 1\right ) - 3 \, {\left (x^{6} + 1\right )}^{\frac {2}{3}}}{18 \, x^{6}} \]
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Result contains complex when optimal does not.
Time = 0.79 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.36 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=- \frac {\Gamma \left (\frac {1}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {2}{3}, \frac {1}{3} \\ \frac {4}{3} \end {matrix}\middle | {\frac {e^{i \pi }}{x^{6}}} \right )}}{6 x^{2} \Gamma \left (\frac {4}{3}\right )} \]
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Time = 0.28 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.73 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {1}{9} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, {\left (x^{6} + 1\right )}^{\frac {1}{3}} + 1\right )}\right ) - \frac {{\left (x^{6} + 1\right )}^{\frac {2}{3}}}{6 \, x^{6}} - \frac {1}{18} \, \log \left ({\left (x^{6} + 1\right )}^{\frac {2}{3}} + {\left (x^{6} + 1\right )}^{\frac {1}{3}} + 1\right ) + \frac {1}{9} \, \log \left ({\left (x^{6} + 1\right )}^{\frac {1}{3}} - 1\right ) \]
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Time = 0.27 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.73 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {1}{9} \, \sqrt {3} \arctan \left (\frac {1}{3} \, \sqrt {3} {\left (2 \, {\left (x^{6} + 1\right )}^{\frac {1}{3}} + 1\right )}\right ) - \frac {{\left (x^{6} + 1\right )}^{\frac {2}{3}}}{6 \, x^{6}} - \frac {1}{18} \, \log \left ({\left (x^{6} + 1\right )}^{\frac {2}{3}} + {\left (x^{6} + 1\right )}^{\frac {1}{3}} + 1\right ) + \frac {1}{9} \, \log \left ({\left (x^{6} + 1\right )}^{\frac {1}{3}} - 1\right ) \]
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Time = 5.64 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.02 \[ \int \frac {\left (1+x^6\right )^{2/3}}{x^7} \, dx=\frac {\ln \left (\frac {{\left (x^6+1\right )}^{1/3}}{9}-\frac {1}{9}\right )}{9}+\ln \left (\frac {{\left (x^6+1\right )}^{1/3}}{9}-9\,{\left (-\frac {1}{18}+\frac {\sqrt {3}\,1{}\mathrm {i}}{18}\right )}^2\right )\,\left (-\frac {1}{18}+\frac {\sqrt {3}\,1{}\mathrm {i}}{18}\right )-\ln \left (\frac {{\left (x^6+1\right )}^{1/3}}{9}-9\,{\left (\frac {1}{18}+\frac {\sqrt {3}\,1{}\mathrm {i}}{18}\right )}^2\right )\,\left (\frac {1}{18}+\frac {\sqrt {3}\,1{}\mathrm {i}}{18}\right )-\frac {{\left (x^6+1\right )}^{2/3}}{6\,x^6} \]
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