Integrand size = 37, antiderivative size = 131 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\frac {\left (-2-17 x^3\right ) \left (1+x^3\right )^{2/3}}{10 x^5}+2 \sqrt [6]{3} \arctan \left (\frac {3^{5/6} x}{\sqrt [3]{3} x+2 \sqrt [3]{1+x^3}}\right )-\frac {2 \log \left (-3 x+3^{2/3} \sqrt [3]{1+x^3}\right )}{\sqrt [3]{3}}+\frac {\log \left (3 x^2+3^{2/3} x \sqrt [3]{1+x^3}+\sqrt [3]{3} \left (1+x^3\right )^{2/3}\right )}{\sqrt [3]{3}} \]
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Time = 0.28 (sec) , antiderivative size = 107, normalized size of antiderivative = 0.82, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.135, Rules used = {1600, 6857, 277, 270, 384} \[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=2 \sqrt [6]{3} \arctan \left (\frac {\frac {2 \sqrt [3]{3} x}{\sqrt [3]{x^3+1}}+1}{\sqrt {3}}\right )+\frac {\log \left (2 x^3-1\right )}{\sqrt [3]{3}}-3^{2/3} \log \left (\sqrt [3]{3} x-\sqrt [3]{x^3+1}\right )-\frac {\left (x^3+1\right )^{2/3}}{5 x^5}-\frac {17 \left (x^3+1\right )^{2/3}}{10 x^2} \]
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Rule 270
Rule 277
Rule 384
Rule 1600
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \int \frac {-1-2 x^3+2 x^6}{x^6 \sqrt [3]{1+x^3} \left (-1+2 x^3\right )} \, dx \\ & = \int \left (\frac {1}{x^6 \sqrt [3]{1+x^3}}+\frac {4}{x^3 \sqrt [3]{1+x^3}}-\frac {6}{\sqrt [3]{1+x^3} \left (-1+2 x^3\right )}\right ) \, dx \\ & = 4 \int \frac {1}{x^3 \sqrt [3]{1+x^3}} \, dx-6 \int \frac {1}{\sqrt [3]{1+x^3} \left (-1+2 x^3\right )} \, dx+\int \frac {1}{x^6 \sqrt [3]{1+x^3}} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{5 x^5}-\frac {2 \left (1+x^3\right )^{2/3}}{x^2}+2 \sqrt [6]{3} \arctan \left (\frac {1+\frac {2 \sqrt [3]{3} x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )+\frac {\log \left (-1+2 x^3\right )}{\sqrt [3]{3}}-3^{2/3} \log \left (\sqrt [3]{3} x-\sqrt [3]{1+x^3}\right )-\frac {3}{5} \int \frac {1}{x^3 \sqrt [3]{1+x^3}} \, dx \\ & = -\frac {\left (1+x^3\right )^{2/3}}{5 x^5}-\frac {17 \left (1+x^3\right )^{2/3}}{10 x^2}+2 \sqrt [6]{3} \arctan \left (\frac {1+\frac {2 \sqrt [3]{3} x}{\sqrt [3]{1+x^3}}}{\sqrt {3}}\right )+\frac {\log \left (-1+2 x^3\right )}{\sqrt [3]{3}}-3^{2/3} \log \left (\sqrt [3]{3} x-\sqrt [3]{1+x^3}\right ) \\ \end{align*}
Time = 0.33 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.00 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\frac {\left (-2-17 x^3\right ) \left (1+x^3\right )^{2/3}}{10 x^5}+2 \sqrt [6]{3} \arctan \left (\frac {3^{5/6} x}{\sqrt [3]{3} x+2 \sqrt [3]{1+x^3}}\right )-\frac {2 \log \left (-3 x+3^{2/3} \sqrt [3]{1+x^3}\right )}{\sqrt [3]{3}}+\frac {\log \left (3 x^2+3^{2/3} x \sqrt [3]{1+x^3}+\sqrt [3]{3} \left (1+x^3\right )^{2/3}\right )}{\sqrt [3]{3}} \]
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Time = 12.96 (sec) , antiderivative size = 128, normalized size of antiderivative = 0.98
method | result | size |
pseudoelliptic | \(\frac {10 \,3^{\frac {2}{3}} \ln \left (\frac {3^{\frac {2}{3}} x^{2}+3^{\frac {1}{3}} \left (x^{3}+1\right )^{\frac {1}{3}} x +\left (x^{3}+1\right )^{\frac {2}{3}}}{x^{2}}\right ) x^{5}-20 \,3^{\frac {2}{3}} \ln \left (\frac {-3^{\frac {1}{3}} x +\left (x^{3}+1\right )^{\frac {1}{3}}}{x}\right ) x^{5}-60 \,3^{\frac {1}{6}} \arctan \left (\frac {\sqrt {3}\, \left (2 \,3^{\frac {2}{3}} \left (x^{3}+1\right )^{\frac {1}{3}}+3 x \right )}{9 x}\right ) x^{5}-51 x^{3} \left (x^{3}+1\right )^{\frac {2}{3}}-6 \left (x^{3}+1\right )^{\frac {2}{3}}}{30 x^{5}}\) | \(128\) |
risch | \(\text {Expression too large to display}\) | \(893\) |
trager | \(\text {Expression too large to display}\) | \(1120\) |
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Leaf count of result is larger than twice the leaf count of optimal. 292 vs. \(2 (104) = 208\).
Time = 1.80 (sec) , antiderivative size = 292, normalized size of antiderivative = 2.23 \[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\frac {20 \cdot 3^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} x^{5} \log \left (\frac {9 \cdot 3^{\frac {1}{3}} \left (-1\right )^{\frac {2}{3}} {\left (x^{3} + 1\right )}^{\frac {1}{3}} x^{2} + 3^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} {\left (2 \, x^{3} - 1\right )} - 9 \, {\left (x^{3} + 1\right )}^{\frac {2}{3}} x}{2 \, x^{3} - 1}\right ) - 10 \cdot 3^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} x^{5} \log \left (-\frac {3 \cdot 3^{\frac {2}{3}} \left (-1\right )^{\frac {1}{3}} {\left (7 \, x^{4} + x\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}} - 3^{\frac {1}{3}} \left (-1\right )^{\frac {2}{3}} {\left (31 \, x^{6} + 23 \, x^{3} + 1\right )} - 9 \, {\left (5 \, x^{5} + 2 \, x^{2}\right )} {\left (x^{3} + 1\right )}^{\frac {1}{3}}}{4 \, x^{6} - 4 \, x^{3} + 1}\right ) - 60 \cdot 3^{\frac {1}{6}} \left (-1\right )^{\frac {1}{3}} x^{5} \arctan \left (\frac {3^{\frac {1}{6}} {\left (6 \cdot 3^{\frac {2}{3}} \left (-1\right )^{\frac {2}{3}} {\left (14 \, x^{7} - 5 \, x^{4} - x\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}} + 18 \, \left (-1\right )^{\frac {1}{3}} {\left (31 \, x^{8} + 23 \, x^{5} + x^{2}\right )} {\left (x^{3} + 1\right )}^{\frac {1}{3}} - 3^{\frac {1}{3}} {\left (127 \, x^{9} + 201 \, x^{6} + 48 \, x^{3} + 1\right )}\right )}}{3 \, {\left (251 \, x^{9} + 231 \, x^{6} + 6 \, x^{3} - 1\right )}}\right ) - 9 \, {\left (17 \, x^{3} + 2\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{90 \, x^{5}} \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\int \frac {\left (\left (x + 1\right ) \left (x^{2} - x + 1\right )\right )^{\frac {2}{3}} \cdot \left (2 x^{6} - 2 x^{3} - 1\right )}{x^{6} \left (x + 1\right ) \left (2 x^{3} - 1\right ) \left (x^{2} - x + 1\right )}\, dx \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\int { \frac {{\left (2 \, x^{6} - 2 \, x^{3} - 1\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (2 \, x^{6} + x^{3} - 1\right )} x^{6}} \,d x } \]
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\[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\int { \frac {{\left (2 \, x^{6} - 2 \, x^{3} - 1\right )} {\left (x^{3} + 1\right )}^{\frac {2}{3}}}{{\left (2 \, x^{6} + x^{3} - 1\right )} x^{6}} \,d x } \]
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Timed out. \[ \int \frac {\left (1+x^3\right )^{2/3} \left (-1-2 x^3+2 x^6\right )}{x^6 \left (-1+x^3+2 x^6\right )} \, dx=\int -\frac {{\left (x^3+1\right )}^{2/3}\,\left (-2\,x^6+2\,x^3+1\right )}{x^6\,\left (2\,x^6+x^3-1\right )} \,d x \]
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