Integrand size = 28, antiderivative size = 116 \[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\frac {3 \left (-1+x^2\right )^{2/3}}{1+x}-\frac {7}{4} \sqrt {3} \arctan \left (\frac {\sqrt {3} \sqrt [3]{-1+x^2}}{1-x+\sqrt [3]{-1+x^2}}\right )-\frac {7}{4} \log \left (-1+x+2 \sqrt [3]{-1+x^2}\right )+\frac {7}{8} \log \left (1-2 x+x^2+(2-2 x) \sqrt [3]{-1+x^2}+4 \left (-1+x^2\right )^{2/3}\right ) \]
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\[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{\sqrt [3]{-1+x^2}}-\frac {1+5 x}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )}\right ) \, dx \\ & = \int \frac {1}{\sqrt [3]{-1+x^2}} \, dx-\int \frac {1+5 x}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx \\ & = \frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {x}{\sqrt {1+x^3}} \, dx,x,\sqrt [3]{-1+x^2}\right )}{2 x}-\int \frac {1+5 x}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx \\ & = \frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1-\sqrt {3}+x}{\sqrt {1+x^3}} \, dx,x,\sqrt [3]{-1+x^2}\right )}{2 x}+\frac {\left (3 \left (-1+\sqrt {3}\right ) \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1+x^3}} \, dx,x,\sqrt [3]{-1+x^2}\right )}{2 x}-\int \frac {1+5 x}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx \\ & = \frac {3 x}{1+\sqrt {3}+\sqrt [3]{-1+x^2}}-\frac {3 \sqrt [4]{3} \sqrt {2-\sqrt {3}} \left (1+\sqrt [3]{-1+x^2}\right ) \sqrt {\frac {1-\sqrt [3]{-1+x^2}+\left (-1+x^2\right )^{2/3}}{\left (1+\sqrt {3}+\sqrt [3]{-1+x^2}\right )^2}} E\left (\arcsin \left (\frac {1-\sqrt {3}+\sqrt [3]{-1+x^2}}{1+\sqrt {3}+\sqrt [3]{-1+x^2}}\right )|-7-4 \sqrt {3}\right )}{2 x \sqrt {\frac {1+\sqrt [3]{-1+x^2}}{\left (1+\sqrt {3}+\sqrt [3]{-1+x^2}\right )^2}}}+\frac {\sqrt {2} 3^{3/4} \left (1+\sqrt [3]{-1+x^2}\right ) \sqrt {\frac {1-\sqrt [3]{-1+x^2}+\left (-1+x^2\right )^{2/3}}{\left (1+\sqrt {3}+\sqrt [3]{-1+x^2}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {1-\sqrt {3}+\sqrt [3]{-1+x^2}}{1+\sqrt {3}+\sqrt [3]{-1+x^2}}\right ),-7-4 \sqrt {3}\right )}{x \sqrt {\frac {1+\sqrt [3]{-1+x^2}}{\left (1+\sqrt {3}+\sqrt [3]{-1+x^2}\right )^2}}}-\int \frac {1+5 x}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx \\ \end{align*}
Time = 0.28 (sec) , antiderivative size = 116, normalized size of antiderivative = 1.00 \[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\frac {3 \left (-1+x^2\right )^{2/3}}{1+x}-\frac {7}{4} \sqrt {3} \arctan \left (\frac {\sqrt {3} \sqrt [3]{-1+x^2}}{1-x+\sqrt [3]{-1+x^2}}\right )-\frac {7}{4} \log \left (-1+x+2 \sqrt [3]{-1+x^2}\right )+\frac {7}{8} \log \left (1-2 x+x^2+(2-2 x) \sqrt [3]{-1+x^2}+4 \left (-1+x^2\right )^{2/3}\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 2.06 (sec) , antiderivative size = 396, normalized size of antiderivative = 3.41
method | result | size |
risch | \(\frac {-3+3 x}{\left (x^{2}-1\right )^{\frac {1}{3}}}-\frac {7 \ln \left (-\frac {448 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )^{2} x^{2}+864 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {2}{3}}-516 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}} x -1344 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )^{2} x -468 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) x^{2}-948 \left (x^{2}-1\right )^{\frac {2}{3}}+516 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}}-216 x \left (x^{2}-1\right )^{\frac {1}{3}}+3000 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) x +119 x^{2}+216 \left (x^{2}-1\right )^{\frac {1}{3}}+1596 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )-1326 x -969}{\left (3+x \right )^{2}}\right )}{4}+\frac {7 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \ln \left (\frac {272 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )^{2} x^{2}+432 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {2}{3}}+474 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}} x -816 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )^{2} x -129 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) x^{2}+258 \left (x^{2}-1\right )^{\frac {2}{3}}-474 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}}-108 x \left (x^{2}-1\right )^{\frac {1}{3}}-582 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right ) x +7 x^{2}+108 \left (x^{2}-1\right )^{\frac {1}{3}}-969 \operatorname {RootOf}\left (4 \textit {\_Z}^{2}-2 \textit {\_Z} +1\right )+378 x +399}{\left (3+x \right )^{2}}\right )}{2}\) | \(396\) |
trager | \(\frac {3 \left (x^{2}-1\right )^{\frac {2}{3}}}{1+x}+\frac {7 \ln \left (\frac {-864 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x^{2}+2592 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {2}{3}}-1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}} x +2592 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x +834 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x^{2}+516 \left (x^{2}-1\right )^{\frac {2}{3}}+1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}}-258 x \left (x^{2}-1\right )^{\frac {1}{3}}-1476 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x -17 x^{2}+258 \left (x^{2}-1\right )^{\frac {1}{3}}+1026 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )-918 x -969}{\left (3+x \right )^{2}}\right )}{4}-\frac {21 \ln \left (\frac {-864 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x^{2}+2592 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {2}{3}}-1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}} x +2592 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x +834 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x^{2}+516 \left (x^{2}-1\right )^{\frac {2}{3}}+1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}}-258 x \left (x^{2}-1\right )^{\frac {1}{3}}-1476 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x -17 x^{2}+258 \left (x^{2}-1\right )^{\frac {1}{3}}+1026 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )-918 x -969}{\left (3+x \right )^{2}}\right ) \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )}{2}+\frac {21 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \ln \left (-\frac {432 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x^{2}+1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {2}{3}}-648 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}} x -1296 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )^{2} x +273 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x^{2}-474 \left (x^{2}-1\right )^{\frac {2}{3}}+648 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) \left (x^{2}-1\right )^{\frac {1}{3}}+237 x \left (x^{2}-1\right )^{\frac {1}{3}}-306 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right ) x -49 x^{2}-237 \left (x^{2}-1\right )^{\frac {1}{3}}+513 \operatorname {RootOf}\left (36 \textit {\_Z}^{2}-6 \textit {\_Z} +1\right )+546 x +399}{\left (3+x \right )^{2}}\right )}{2}\) | \(594\) |
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Time = 0.53 (sec) , antiderivative size = 127, normalized size of antiderivative = 1.09 \[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\frac {14 \, \sqrt {3} {\left (x + 1\right )} \arctan \left (\frac {286273 \, \sqrt {3} {\left (x^{2} - 1\right )}^{\frac {1}{3}} {\left (x - 1\right )} + \sqrt {3} {\left (66978 \, x^{2} + 434719 \, x + 635653\right )} + 539695 \, \sqrt {3} {\left (x^{2} - 1\right )}^{\frac {2}{3}}}{226981 \, x^{2} - 1974837 \, x - 1293894}\right ) - 7 \, {\left (x + 1\right )} \log \left (\frac {x^{2} + 6 \, {\left (x^{2} - 1\right )}^{\frac {1}{3}} {\left (x - 1\right )} + 6 \, x + 12 \, {\left (x^{2} - 1\right )}^{\frac {2}{3}} + 9}{x^{2} + 6 \, x + 9}\right ) + 24 \, {\left (x^{2} - 1\right )}^{\frac {2}{3}}}{8 \, {\left (x + 1\right )}} \]
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\[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\int \frac {x^{2} - x + 2}{\sqrt [3]{\left (x - 1\right ) \left (x + 1\right )} \left (x + 1\right ) \left (x + 3\right )}\, dx \]
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\[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\int { \frac {x^{2} - x + 2}{{\left (x^{2} + 4 \, x + 3\right )} {\left (x^{2} - 1\right )}^{\frac {1}{3}}} \,d x } \]
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\[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\int { \frac {x^{2} - x + 2}{{\left (x^{2} + 4 \, x + 3\right )} {\left (x^{2} - 1\right )}^{\frac {1}{3}}} \,d x } \]
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Timed out. \[ \int \frac {2-x+x^2}{\sqrt [3]{-1+x^2} \left (3+4 x+x^2\right )} \, dx=\int \frac {x^2-x+2}{{\left (x^2-1\right )}^{1/3}\,\left (x^2+4\,x+3\right )} \,d x \]
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