Integrand size = 30, antiderivative size = 109 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\frac {\left (1-4 x^3\right ) \left (1+x^3\right )^{2/3}}{10 x^5}+\frac {1}{24} \text {RootSum}\left [1-4 \text {$\#$1}^3+2 \text {$\#$1}^6\&,\frac {-2 \log (x)+2 \log \left (\sqrt [3]{1+x^3}-x \text {$\#$1}\right )+\log (x) \text {$\#$1}^3-\log \left (\sqrt [3]{1+x^3}-x \text {$\#$1}\right ) \text {$\#$1}^3}{-\text {$\#$1}+\text {$\#$1}^4}\&\right ] \]
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Leaf count is larger than twice the leaf count of optimal. \(480\) vs. \(2(109)=218\).
Time = 0.54 (sec) , antiderivative size = 480, normalized size of antiderivative = 4.40, number of steps used = 14, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.233, Rules used = {28, 6857, 270, 283, 245, 399, 384} \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=-\frac {\left (3+2 \sqrt {2}\right ) \arctan \left (\frac {\frac {2 x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{4 \sqrt {6}}+\frac {\left (3-2 \sqrt {2}\right ) \arctan \left (\frac {\frac {2 x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{4 \sqrt {6}}+\frac {\arctan \left (\frac {\frac {2 x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{\sqrt {3}}+\frac {\sqrt [3]{24+17 \sqrt {2}} \arctan \left (\frac {\frac {2^{2/3} \sqrt [3]{2-\sqrt {2}} x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{8 \sqrt {3}}-\frac {\sqrt [3]{17 \sqrt {2}-24} \arctan \left (\frac {\frac {2^{2/3} \sqrt [3]{2+\sqrt {2}} x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )}{8 \sqrt {3}}-\frac {1}{48} \sqrt [3]{17 \sqrt {2}-24} \log \left (\sqrt {2}-x^3\right )+\frac {1}{48} \sqrt [3]{24+17 \sqrt {2}} \log \left (x^3+\sqrt {2}\right )-\frac {1}{16} \sqrt [3]{24+17 \sqrt {2}} \log \left (\sqrt [3]{\frac {1}{2} \left (2-\sqrt {2}\right )} x-\sqrt [3]{x^3+1}\right )+\frac {1}{16} \sqrt [3]{17 \sqrt {2}-24} \log \left (\sqrt [3]{\frac {1}{2} \left (2+\sqrt {2}\right )} x-\sqrt [3]{x^3+1}\right )+\frac {1}{16} \left (4+3 \sqrt {2}\right ) \log \left (\sqrt [3]{x^3+1}-x\right )+\frac {1}{16} \left (4-3 \sqrt {2}\right ) \log \left (\sqrt [3]{x^3+1}-x\right )-\frac {1}{2} \log \left (\sqrt [3]{x^3+1}-x\right )+\frac {\left (x^3+1\right )^{5/3}}{10 x^5}-\frac {\left (x^3+1\right )^{2/3}}{2 x^2} \]
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Rule 28
Rule 245
Rule 270
Rule 283
Rule 384
Rule 399
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \int \frac {\left (-1+x^3\right )^2 \left (1+x^3\right )^{2/3}}{x^6 \left (-2+x^6\right )} \, dx \\ & = \int \left (-\frac {\left (1+x^3\right )^{2/3}}{2 x^6}+\frac {\left (1+x^3\right )^{2/3}}{x^3}+\frac {\left (3-2 x^3\right ) \left (1+x^3\right )^{2/3}}{2 \left (-2+x^6\right )}\right ) \, dx \\ & = -\left (\frac {1}{2} \int \frac {\left (1+x^3\right )^{2/3}}{x^6} \, dx\right )+\frac {1}{2} \int \frac {\left (3-2 x^3\right ) \left (1+x^3\right )^{2/3}}{-2+x^6} \, dx+\int \frac {\left (1+x^3\right )^{2/3}}{x^3} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{2 x^2}+\frac {\left (1+x^3\right )^{5/3}}{10 x^5}+\frac {1}{2} \int \left (-\frac {\left (3-2 \sqrt {2}\right ) \left (1+x^3\right )^{2/3}}{2 \sqrt {2} \left (\sqrt {2}-x^3\right )}+\frac {\left (-3-2 \sqrt {2}\right ) \left (1+x^3\right )^{2/3}}{2 \sqrt {2} \left (\sqrt {2}+x^3\right )}\right ) \, dx+\int \frac {1}{\sqrt [3]{1+x^3}} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{2 x^2}+\frac {\left (1+x^3\right )^{5/3}}{10 x^5}+\frac {\arctan \left (\frac {1+\frac {2 x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{\sqrt {3}}-\frac {1}{2} \log \left (-x+\sqrt [3]{1+x^3}\right )+\frac {1}{8} \left (4-3 \sqrt {2}\right ) \int \frac {\left (1+x^3\right )^{2/3}}{\sqrt {2}-x^3} \, dx-\frac {1}{8} \left (4+3 \sqrt {2}\right ) \int \frac {\left (1+x^3\right )^{2/3}}{\sqrt {2}+x^3} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{2 x^2}+\frac {\left (1+x^3\right )^{5/3}}{10 x^5}+\frac {\arctan \left (\frac {1+\frac {2 x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{\sqrt {3}}-\frac {1}{2} \log \left (-x+\sqrt [3]{1+x^3}\right )+\frac {1}{8} \left (-2+\sqrt {2}\right ) \int \frac {1}{\left (\sqrt {2}-x^3\right ) \sqrt [3]{1+x^3}} \, dx+\frac {1}{8} \left (2+\sqrt {2}\right ) \int \frac {1}{\sqrt [3]{1+x^3} \left (\sqrt {2}+x^3\right )} \, dx+\frac {1}{8} \left (-4+3 \sqrt {2}\right ) \int \frac {1}{\sqrt [3]{1+x^3}} \, dx-\frac {1}{8} \left (4+3 \sqrt {2}\right ) \int \frac {1}{\sqrt [3]{1+x^3}} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{2 x^2}+\frac {\left (1+x^3\right )^{5/3}}{10 x^5}+\frac {\arctan \left (\frac {1+\frac {2 x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{\sqrt {3}}+\frac {\left (3-2 \sqrt {2}\right ) \arctan \left (\frac {1+\frac {2 x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{4 \sqrt {6}}-\frac {\left (3+2 \sqrt {2}\right ) \arctan \left (\frac {1+\frac {2 x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{4 \sqrt {6}}+\frac {\sqrt [3]{24+17 \sqrt {2}} \arctan \left (\frac {1+\frac {2^{2/3} \sqrt [3]{2-\sqrt {2}} x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{8 \sqrt {3}}-\frac {\sqrt [3]{-24+17 \sqrt {2}} \arctan \left (\frac {1+\frac {2^{2/3} \sqrt [3]{2+\sqrt {2}} x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )}{8 \sqrt {3}}-\frac {1}{48} \sqrt [3]{-24+17 \sqrt {2}} \log \left (\sqrt {2}-x^3\right )+\frac {1}{48} \sqrt [3]{24+17 \sqrt {2}} \log \left (\sqrt {2}+x^3\right )-\frac {1}{16} \sqrt [3]{24+17 \sqrt {2}} \log \left (\sqrt [3]{\frac {1}{2} \left (2-\sqrt {2}\right )} x-\sqrt [3]{1+x^3}\right )+\frac {1}{16} \sqrt [3]{-24+17 \sqrt {2}} \log \left (\sqrt [3]{\frac {1}{2} \left (2+\sqrt {2}\right )} x-\sqrt [3]{1+x^3}\right )-\frac {1}{2} \log \left (-x+\sqrt [3]{1+x^3}\right )+\frac {1}{16} \left (4-3 \sqrt {2}\right ) \log \left (-x+\sqrt [3]{1+x^3}\right )+\frac {1}{16} \left (4+3 \sqrt {2}\right ) \log \left (-x+\sqrt [3]{1+x^3}\right ) \\ \end{align*}
Time = 0.23 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.00 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\frac {\left (1-4 x^3\right ) \left (1+x^3\right )^{2/3}}{10 x^5}+\frac {1}{24} \text {RootSum}\left [1-4 \text {$\#$1}^3+2 \text {$\#$1}^6\&,\frac {-2 \log (x)+2 \log \left (\sqrt [3]{1+x^3}-x \text {$\#$1}\right )+\log (x) \text {$\#$1}^3-\log \left (\sqrt [3]{1+x^3}-x \text {$\#$1}\right ) \text {$\#$1}^3}{-\text {$\#$1}+\text {$\#$1}^4}\&\right ] \]
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Time = 146.94 (sec) , antiderivative size = 81, normalized size of antiderivative = 0.74
method | result | size |
pseudoelliptic | \(\frac {-5 \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (2 \textit {\_Z}^{6}-4 \textit {\_Z}^{3}+1\right )}{\sum }\frac {\left (\textit {\_R}^{3}-2\right ) \ln \left (\frac {-\textit {\_R} x +\left (x^{3}+1\right )^{\frac {1}{3}}}{x}\right )}{\textit {\_R}^{4}-\textit {\_R}}\right ) x^{5}-48 x^{3} \left (x^{3}+1\right )^{\frac {2}{3}}+12 \left (x^{3}+1\right )^{\frac {2}{3}}}{120 x^{5}}\) | \(81\) |
risch | \(\text {Expression too large to display}\) | \(9183\) |
trager | \(\text {Expression too large to display}\) | \(10412\) |
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Exception generated. \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\text {Exception raised: TypeError} \]
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Not integrable
Time = 23.64 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.33 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\int \frac {\left (\left (x + 1\right ) \left (x^{2} - x + 1\right )\right )^{\frac {2}{3}} \left (x - 1\right )^{2} \left (x^{2} + x + 1\right )^{2}}{x^{6} \left (x^{6} - 2\right )}\, dx \]
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Not integrable
Time = 0.32 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.28 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\int { \frac {{\left (x^{6} - 2 \, x^{3} + 1\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (x^{6} - 2\right )} x^{6}} \,d x } \]
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Not integrable
Time = 0.30 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.28 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\int { \frac {{\left (x^{6} - 2 \, x^{3} + 1\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (x^{6} - 2\right )} x^{6}} \,d x } \]
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Not integrable
Time = 5.84 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.28 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (1-2 x^3+x^6\right )}{x^6 \left (-2+x^6\right )} \, dx=\int \frac {{\left (x^3+1\right )}^{2/3}\,\left (x^6-2\,x^3+1\right )}{x^6\,\left (x^6-2\right )} \,d x \]
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