Integrand size = 39, antiderivative size = 90 \[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=-\frac {4 \sqrt [4]{-1-x+2 x^4} \left (-1-x+12 x^4\right )}{5 x^5}-4 \sqrt [4]{3} \arctan \left (\frac {\sqrt [4]{3} x}{\sqrt [4]{-1-x+2 x^4}}\right )+4 \sqrt [4]{3} \text {arctanh}\left (\frac {\sqrt [4]{3} x}{\sqrt [4]{-1-x+2 x^4}}\right ) \]
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\[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {4 \sqrt [4]{-1-x+2 x^4}}{x^6}-\frac {3 \sqrt [4]{-1-x+2 x^4}}{x^5}+\frac {8 \sqrt [4]{-1-x+2 x^4}}{x^2}-\frac {2 \sqrt [4]{-1-x+2 x^4}}{x}+\frac {2 \left (1-4 x^2+x^3\right ) \sqrt [4]{-1-x+2 x^4}}{1+x+x^4}\right ) \, dx \\ & = -\left (2 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x} \, dx\right )+2 \int \frac {\left (1-4 x^2+x^3\right ) \sqrt [4]{-1-x+2 x^4}}{1+x+x^4} \, dx-3 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^5} \, dx-4 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^6} \, dx+8 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^2} \, dx \\ & = -\left (2 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x} \, dx\right )+2 \int \left (\frac {\sqrt [4]{-1-x+2 x^4}}{1+x+x^4}-\frac {4 x^2 \sqrt [4]{-1-x+2 x^4}}{1+x+x^4}+\frac {x^3 \sqrt [4]{-1-x+2 x^4}}{1+x+x^4}\right ) \, dx-3 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^5} \, dx-4 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^6} \, dx+8 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^2} \, dx \\ & = -\left (2 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x} \, dx\right )+2 \int \frac {\sqrt [4]{-1-x+2 x^4}}{1+x+x^4} \, dx+2 \int \frac {x^3 \sqrt [4]{-1-x+2 x^4}}{1+x+x^4} \, dx-3 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^5} \, dx-4 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^6} \, dx+8 \int \frac {\sqrt [4]{-1-x+2 x^4}}{x^2} \, dx-8 \int \frac {x^2 \sqrt [4]{-1-x+2 x^4}}{1+x+x^4} \, dx \\ \end{align*}
Time = 1.41 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.00 \[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=-\frac {4 \sqrt [4]{-1-x+2 x^4} \left (-1-x+12 x^4\right )}{5 x^5}-4 \sqrt [4]{3} \arctan \left (\frac {\sqrt [4]{3} x}{\sqrt [4]{-1-x+2 x^4}}\right )+4 \sqrt [4]{3} \text {arctanh}\left (\frac {\sqrt [4]{3} x}{\sqrt [4]{-1-x+2 x^4}}\right ) \]
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Time = 14.40 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.16
method | result | size |
pseudoelliptic | \(\frac {2 x^{5} \left (\ln \left (\frac {3^{\frac {1}{4}} x +\left (2 x^{4}-x -1\right )^{\frac {1}{4}}}{-3^{\frac {1}{4}} x +\left (2 x^{4}-x -1\right )^{\frac {1}{4}}}\right )+2 \arctan \left (\frac {3^{\frac {3}{4}} \left (2 x^{4}-x -1\right )^{\frac {1}{4}}}{3 x}\right )\right ) 3^{\frac {1}{4}}-\frac {4 \left (2 x^{4}-x -1\right )^{\frac {1}{4}} \left (12 x^{4}-x -1\right )}{5}}{x^{5}}\) | \(104\) |
trager | \(-\frac {4 \left (2 x^{4}-x -1\right )^{\frac {1}{4}} \left (12 x^{4}-x -1\right )}{5 x^{5}}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right ) \ln \left (\frac {-5 \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{3} x^{4}+6 \left (2 x^{4}-x -1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2} x^{3}-6 \sqrt {2 x^{4}-x -1}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right ) x^{2}+6 \left (2 x^{4}-x -1\right )^{\frac {3}{4}} x +\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{3} x +\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{3}}{x^{4}+x +1}\right )-2 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2}\right ) \ln \left (\frac {5 \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2}\right ) x^{4}-6 \left (2 x^{4}-x -1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2} x^{3}-6 \sqrt {2 x^{4}-x -1}\, \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2}\right ) x^{2}+6 \left (2 x^{4}-x -1\right )^{\frac {3}{4}} x -\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2}\right ) x -\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-3\right )^{2}\right )}{x^{4}+x +1}\right )\) | \(311\) |
risch | \(\text {Expression too large to display}\) | \(1633\) |
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Result contains complex when optimal does not.
Time = 8.39 (sec) , antiderivative size = 387, normalized size of antiderivative = 4.30 \[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\frac {5 \cdot 3^{\frac {1}{4}} x^{5} \log \left (\frac {6 \, \sqrt {3} {\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} x^{3} + 6 \cdot 3^{\frac {1}{4}} \sqrt {2 \, x^{4} - x - 1} x^{2} + 3^{\frac {3}{4}} {\left (5 \, x^{4} - x - 1\right )} + 6 \, {\left (2 \, x^{4} - x - 1\right )}^{\frac {3}{4}} x}{x^{4} + x + 1}\right ) - 5 i \cdot 3^{\frac {1}{4}} x^{5} \log \left (-\frac {6 \, \sqrt {3} {\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} x^{3} + 6 i \cdot 3^{\frac {1}{4}} \sqrt {2 \, x^{4} - x - 1} x^{2} - 3^{\frac {3}{4}} {\left (5 i \, x^{4} - i \, x - i\right )} - 6 \, {\left (2 \, x^{4} - x - 1\right )}^{\frac {3}{4}} x}{x^{4} + x + 1}\right ) + 5 i \cdot 3^{\frac {1}{4}} x^{5} \log \left (-\frac {6 \, \sqrt {3} {\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} x^{3} - 6 i \cdot 3^{\frac {1}{4}} \sqrt {2 \, x^{4} - x - 1} x^{2} - 3^{\frac {3}{4}} {\left (-5 i \, x^{4} + i \, x + i\right )} - 6 \, {\left (2 \, x^{4} - x - 1\right )}^{\frac {3}{4}} x}{x^{4} + x + 1}\right ) - 5 \cdot 3^{\frac {1}{4}} x^{5} \log \left (\frac {6 \, \sqrt {3} {\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} x^{3} - 6 \cdot 3^{\frac {1}{4}} \sqrt {2 \, x^{4} - x - 1} x^{2} - 3^{\frac {3}{4}} {\left (5 \, x^{4} - x - 1\right )} + 6 \, {\left (2 \, x^{4} - x - 1\right )}^{\frac {3}{4}} x}{x^{4} + x + 1}\right ) - 4 \, {\left (12 \, x^{4} - x - 1\right )} {\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}}}{5 \, x^{5}} \]
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Timed out. \[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\text {Timed out} \]
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\[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\int { \frac {{\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} {\left (x^{4} - x - 1\right )} {\left (3 \, x + 4\right )}}{{\left (x^{4} + x + 1\right )} x^{6}} \,d x } \]
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\[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\int { \frac {{\left (2 \, x^{4} - x - 1\right )}^{\frac {1}{4}} {\left (x^{4} - x - 1\right )} {\left (3 \, x + 4\right )}}{{\left (x^{4} + x + 1\right )} x^{6}} \,d x } \]
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Timed out. \[ \int \frac {(4+3 x) \left (-1-x+x^4\right ) \sqrt [4]{-1-x+2 x^4}}{x^6 \left (1+x+x^4\right )} \, dx=\int -\frac {\left (3\,x+4\right )\,\left (-x^4+x+1\right )\,{\left (2\,x^4-x-1\right )}^{1/4}}{x^6\,\left (x^4+x+1\right )} \,d x \]
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