Integrand size = 38, antiderivative size = 145 \[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=-\frac {\sqrt {3} \arctan \left (\frac {\sqrt {3} x}{x+2^{2/3} \sqrt [3]{1+2 x+2 x^3+x^6}}\right )}{\sqrt [3]{2}}+\frac {\log \left (-2 x+2^{2/3} \sqrt [3]{1+2 x+2 x^3+x^6}\right )}{\sqrt [3]{2}}-\frac {\log \left (2 x^2+2^{2/3} x \sqrt [3]{1+2 x+2 x^3+x^6}+\sqrt [3]{2} \left (1+2 x+2 x^3+x^6\right )^{2/3}\right )}{2 \sqrt [3]{2}} \]
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\[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=\int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {3}{\sqrt [3]{1+2 x+2 x^3+x^6}}-\frac {2 (3+5 x)}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}\right ) \, dx \\ & = -\left (2 \int \frac {3+5 x}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx\right )+3 \int \frac {1}{\sqrt [3]{1+2 x+2 x^3+x^6}} \, dx \\ & = -\left (2 \int \left (\frac {1}{2 (1+x) \sqrt [3]{1+2 x+2 x^3+x^6}}+\frac {5+4 x-3 x^2+2 x^3-x^4}{2 \left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}\right ) \, dx\right )+3 \int \frac {1}{\sqrt [3]{1+2 x+2 x^3+x^6}} \, dx \\ & = 3 \int \frac {1}{\sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-\int \frac {1}{(1+x) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-\int \frac {5+4 x-3 x^2+2 x^3-x^4}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx \\ & = 3 \int \frac {1}{\sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-\int \frac {1}{(1+x) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-\int \left (\frac {5}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}+\frac {4 x}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}-\frac {3 x^2}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}+\frac {2 x^3}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}-\frac {x^4}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}}\right ) \, dx \\ & = -\left (2 \int \frac {x^3}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx\right )+3 \int \frac {1}{\sqrt [3]{1+2 x+2 x^3+x^6}} \, dx+3 \int \frac {x^2}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-4 \int \frac {x}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-5 \int \frac {1}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx-\int \frac {1}{(1+x) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx+\int \frac {x^4}{\left (1+x-x^2+x^3-x^4+x^5\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx \\ \end{align*}
Time = 0.37 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.94 \[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=-\frac {2 \sqrt {3} \arctan \left (\frac {\sqrt {3} x}{x+2^{2/3} \sqrt [3]{1+2 x+2 x^3+x^6}}\right )-2 \log \left (-2 x+2^{2/3} \sqrt [3]{1+2 x+2 x^3+x^6}\right )+\log \left (2 x^2+2^{2/3} x \sqrt [3]{1+2 x+2 x^3+x^6}+\sqrt [3]{2} \left (1+2 x+2 x^3+x^6\right )^{2/3}\right )}{2 \sqrt [3]{2}} \]
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Time = 24.71 (sec) , antiderivative size = 121, normalized size of antiderivative = 0.83
method | result | size |
pseudoelliptic | \(\frac {2^{\frac {2}{3}} \left (2 \sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (x +2^{\frac {2}{3}} \left (x^{6}+2 x^{3}+2 x +1\right )^{\frac {1}{3}}\right )}{3 x}\right )+2 \ln \left (\frac {-2^{\frac {1}{3}} x +\left (x^{6}+2 x^{3}+2 x +1\right )^{\frac {1}{3}}}{x}\right )-\ln \left (\frac {2^{\frac {2}{3}} x^{2}+2^{\frac {1}{3}} \left (x^{6}+2 x^{3}+2 x +1\right )^{\frac {1}{3}} x +\left (x^{6}+2 x^{3}+2 x +1\right )^{\frac {2}{3}}}{x^{2}}\right )\right )}{4}\) | \(121\) |
trager | \(\text {Expression too large to display}\) | \(606\) |
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Leaf count of result is larger than twice the leaf count of optimal. 478 vs. \(2 (118) = 236\).
Time = 27.36 (sec) , antiderivative size = 478, normalized size of antiderivative = 3.30 \[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=-\frac {1}{6} \, \sqrt {3} 2^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3} 2^{\frac {1}{6}} {\left (2^{\frac {5}{6}} {\left (x^{18} + 36 \, x^{15} + 6 \, x^{13} + 183 \, x^{12} + 144 \, x^{10} + 288 \, x^{9} + 12 \, x^{8} + 372 \, x^{7} + 183 \, x^{6} + 144 \, x^{5} + 144 \, x^{4} + 44 \, x^{3} + 12 \, x^{2} + 6 \, x + 1\right )} + 12 \, \sqrt {2} {\left (x^{14} + 18 \, x^{11} + 4 \, x^{9} + 38 \, x^{8} + 36 \, x^{6} + 18 \, x^{5} + 4 \, x^{4} + 4 \, x^{3} + x^{2}\right )} {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {1}{3}} + 12 \cdot 2^{\frac {1}{6}} {\left (x^{13} + 6 \, x^{10} + 4 \, x^{8} + 2 \, x^{7} + 12 \, x^{5} + 6 \, x^{4} + 4 \, x^{3} + 4 \, x^{2} + x\right )} {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {2}{3}}\right )}}{6 \, {\left (x^{18} + 6 \, x^{13} - 105 \, x^{12} - 216 \, x^{9} + 12 \, x^{8} - 204 \, x^{7} - 105 \, x^{6} + 8 \, x^{3} + 12 \, x^{2} + 6 \, x + 1\right )}}\right ) + \frac {1}{6} \cdot 2^{\frac {2}{3}} \log \left (\frac {6 \cdot 2^{\frac {1}{3}} {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {1}{3}} x^{2} + 2^{\frac {2}{3}} {\left (x^{6} + 2 \, x + 1\right )} - 6 \, {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {2}{3}} x}{x^{6} + 2 \, x + 1}\right ) - \frac {1}{12} \cdot 2^{\frac {2}{3}} \log \left (\frac {3 \cdot 2^{\frac {2}{3}} {\left (x^{7} + 6 \, x^{4} + 2 \, x^{2} + x\right )} {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {2}{3}} + 2^{\frac {1}{3}} {\left (x^{12} + 18 \, x^{9} + 4 \, x^{7} + 38 \, x^{6} + 36 \, x^{4} + 18 \, x^{3} + 4 \, x^{2} + 4 \, x + 1\right )} + 12 \, {\left (x^{8} + 3 \, x^{5} + 2 \, x^{3} + x^{2}\right )} {\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {1}{3}}}{x^{12} + 4 \, x^{7} + 2 \, x^{6} + 4 \, x^{2} + 4 \, x + 1}\right ) \]
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\[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=\int \frac {3 x^{6} - 4 x - 3}{\sqrt [3]{\left (x^{2} + 1\right ) \left (x^{4} - x^{2} + 2 x + 1\right )} \left (x + 1\right ) \left (x^{5} - x^{4} + x^{3} - x^{2} + x + 1\right )}\, dx \]
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\[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=\int { \frac {3 \, x^{6} - 4 \, x - 3}{{\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {1}{3}} {\left (x^{6} + 2 \, x + 1\right )}} \,d x } \]
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\[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=\int { \frac {3 \, x^{6} - 4 \, x - 3}{{\left (x^{6} + 2 \, x^{3} + 2 \, x + 1\right )}^{\frac {1}{3}} {\left (x^{6} + 2 \, x + 1\right )}} \,d x } \]
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Timed out. \[ \int \frac {-3-4 x+3 x^6}{\left (1+2 x+x^6\right ) \sqrt [3]{1+2 x+2 x^3+x^6}} \, dx=\int -\frac {-3\,x^6+4\,x+3}{\left (x^6+2\,x+1\right )\,{\left (x^6+2\,x^3+2\,x+1\right )}^{1/3}} \,d x \]
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