Integrand size = 27, antiderivative size = 176 \[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=-\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}-\sqrt [4]{2} x+\sqrt [4]{1-x^2}}\right )}{2 \sqrt [4]{2}}+\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{-\sqrt [4]{2}+\sqrt [4]{2} x+\sqrt [4]{1-x^2}}\right )}{2 \sqrt [4]{2}}-\frac {\text {arctanh}\left (\frac {\left (-2 \sqrt [4]{2}+2 \sqrt [4]{2} x\right ) \sqrt [4]{1-x^2}}{\sqrt {2}-2 \sqrt {2} x+\sqrt {2} x^2+2 \sqrt {1-x^2}}\right )}{2 \sqrt [4]{2}} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3 in optimal.
Time = 0.43 (sec) , antiderivative size = 378, normalized size of antiderivative = 2.15, number of steps used = 32, number of rules used = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.667, Rules used = {6857, 760, 408, 504, 1227, 551, 455, 65, 303, 1176, 631, 210, 1179, 642, 1024, 304, 209, 212} \[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=-\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}-\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}+\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}-\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}-\frac {\arctan \left (1-\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{4 \sqrt [4]{2}}+\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}+1\right )}{4 \sqrt [4]{2}}+\frac {\text {arctanh}\left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}+\frac {\log \left (\sqrt {1-x^2}-2 \sqrt [4]{2} \sqrt [4]{1-x^2}+2 \sqrt {2}\right )}{8 \sqrt [4]{2}}-\frac {\log \left (\sqrt {1-x^2}+2 \sqrt [4]{2} \sqrt [4]{1-x^2}+2 \sqrt {2}\right )}{8 \sqrt [4]{2}} \]
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Rule 65
Rule 209
Rule 210
Rule 212
Rule 303
Rule 304
Rule 408
Rule 455
Rule 504
Rule 551
Rule 631
Rule 642
Rule 760
Rule 1024
Rule 1176
Rule 1179
Rule 1227
Rule 6857
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {1}{2 (-3+x) \sqrt [4]{1-x^2}}+\frac {-1-x}{2 \sqrt [4]{1-x^2} \left (1+x^2\right )}\right ) \, dx \\ & = \frac {1}{2} \int \frac {1}{(-3+x) \sqrt [4]{1-x^2}} \, dx+\frac {1}{2} \int \frac {-1-x}{\sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx \\ & = -\left (\frac {1}{2} \int \frac {x}{\sqrt [4]{1-x^2} \left (9-x^2\right )} \, dx\right )-\frac {1}{2} \int \frac {1}{\sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx-\frac {1}{2} \int \frac {x}{\sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx-\frac {3}{2} \int \frac {1}{\sqrt [4]{1-x^2} \left (9-x^2\right )} \, dx \\ & = -\left (\frac {1}{4} \text {Subst}\left (\int \frac {1}{\sqrt [4]{1-x} (9-x)} \, dx,x,x^2\right )\right )-\frac {1}{4} \text {Subst}\left (\int \frac {1}{\sqrt [4]{1-x} (1+x)} \, dx,x,x^2\right )-\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {x^2}{\sqrt {1-x^4} \left (-2+x^4\right )} \, dx,x,\sqrt [4]{1-x^2}\right )}{x}-\frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {x^2}{\left (-8-x^4\right ) \sqrt {1-x^4}} \, dx,x,\sqrt [4]{1-x^2}\right )}{x} \\ & = \frac {\sqrt {x^2} \text {Subst}\left (\int \frac {1}{\left (\sqrt {2}-x^2\right ) \sqrt {1-x^4}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}-\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {1}{\left (\sqrt {2}+x^2\right ) \sqrt {1-x^4}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}-\frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\left (2 i \sqrt {2}-x^2\right ) \sqrt {1-x^4}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}+\frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\left (2 i \sqrt {2}+x^2\right ) \sqrt {1-x^4}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}+\text {Subst}\left (\int \frac {x^2}{2-x^4} \, dx,x,\sqrt [4]{1-x^2}\right )+\text {Subst}\left (\int \frac {x^2}{8+x^4} \, dx,x,\sqrt [4]{1-x^2}\right ) \\ & = \frac {1}{2} \text {Subst}\left (\int \frac {1}{\sqrt {2}-x^2} \, dx,x,\sqrt [4]{1-x^2}\right )-\frac {1}{2} \text {Subst}\left (\int \frac {1}{\sqrt {2}+x^2} \, dx,x,\sqrt [4]{1-x^2}\right )-\frac {1}{2} \text {Subst}\left (\int \frac {2 \sqrt {2}-x^2}{8+x^4} \, dx,x,\sqrt [4]{1-x^2}\right )+\frac {1}{2} \text {Subst}\left (\int \frac {2 \sqrt {2}+x^2}{8+x^4} \, dx,x,\sqrt [4]{1-x^2}\right )+\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \left (\sqrt {2}-x^2\right ) \sqrt {1+x^2}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}-\frac {\sqrt {x^2} \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \sqrt {1+x^2} \left (\sqrt {2}+x^2\right )} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}-\frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \left (2 i \sqrt {2}-x^2\right ) \sqrt {1+x^2}} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x}+\frac {\left (3 \sqrt {x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \sqrt {1+x^2} \left (2 i \sqrt {2}+x^2\right )} \, dx,x,\sqrt [4]{1-x^2}\right )}{2 x} \\ & = -\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}+\frac {\text {arctanh}\left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}-\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}-\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}+\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {1}{4} \text {Subst}\left (\int \frac {1}{2 \sqrt {2}-2 \sqrt [4]{2} x+x^2} \, dx,x,\sqrt [4]{1-x^2}\right )+\frac {1}{4} \text {Subst}\left (\int \frac {1}{2 \sqrt {2}+2 \sqrt [4]{2} x+x^2} \, dx,x,\sqrt [4]{1-x^2}\right )+\frac {\text {Subst}\left (\int \frac {2 \sqrt [4]{2}+2 x}{-2 \sqrt {2}-2 \sqrt [4]{2} x-x^2} \, dx,x,\sqrt [4]{1-x^2}\right )}{8 \sqrt [4]{2}}+\frac {\text {Subst}\left (\int \frac {2 \sqrt [4]{2}-2 x}{-2 \sqrt {2}+2 \sqrt [4]{2} x-x^2} \, dx,x,\sqrt [4]{1-x^2}\right )}{8 \sqrt [4]{2}} \\ & = -\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}+\frac {\text {arctanh}\left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}-\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}-\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}+\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {\log \left (2 \sqrt {2}-2 \sqrt [4]{2} \sqrt [4]{1-x^2}+\sqrt {1-x^2}\right )}{8 \sqrt [4]{2}}-\frac {\log \left (2 \sqrt {2}+2 \sqrt [4]{2} \sqrt [4]{1-x^2}+\sqrt {1-x^2}\right )}{8 \sqrt [4]{2}}+\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{4 \sqrt [4]{2}}-\frac {\text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{4 \sqrt [4]{2}} \\ & = -\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}-\frac {\arctan \left (1-\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{4 \sqrt [4]{2}}+\frac {\arctan \left (1+\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{4 \sqrt [4]{2}}+\frac {\text {arctanh}\left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}}\right )}{2 \sqrt [4]{2}}-\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (-\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}-\frac {3 i \sqrt {x^2} \operatorname {EllipticPi}\left (\frac {i}{2 \sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{4 \sqrt {2} x}+\frac {\sqrt {x^2} \operatorname {EllipticPi}\left (\frac {1}{\sqrt {2}},\arcsin \left (\sqrt [4]{1-x^2}\right ),-1\right )}{2 \sqrt {2} x}+\frac {\log \left (2 \sqrt {2}-2 \sqrt [4]{2} \sqrt [4]{1-x^2}+\sqrt {1-x^2}\right )}{8 \sqrt [4]{2}}-\frac {\log \left (2 \sqrt {2}+2 \sqrt [4]{2} \sqrt [4]{1-x^2}+\sqrt {1-x^2}\right )}{8 \sqrt [4]{2}} \\ \end{align*}
Time = 0.26 (sec) , antiderivative size = 147, normalized size of antiderivative = 0.84 \[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=-\frac {\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}-\sqrt [4]{2} x-\sqrt [4]{1-x^2}}\right )+\arctan \left (\frac {\sqrt [4]{1-x^2}}{\sqrt [4]{2}-\sqrt [4]{2} x+\sqrt [4]{1-x^2}}\right )+\text {arctanh}\left (\frac {2 (-1+x) \sqrt [4]{2-2 x^2}}{\sqrt {2}-2 \sqrt {2} x+\sqrt {2} x^2+2 \sqrt {1-x^2}}\right )}{2 \sqrt [4]{2}} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 4.68 (sec) , antiderivative size = 408, normalized size of antiderivative = 2.32
method | result | size |
trager | \(-\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right ) \ln \left (-\frac {2 \sqrt {-x^{2}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{3} x -2 \sqrt {-x^{2}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{3}+2 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2} x^{2}-4 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2} x +\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right ) x^{3}+2 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}-3 \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right ) x^{2}-4 \left (-x^{2}+1\right )^{\frac {3}{4}}+5 \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right ) x +\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )}{\left (-3+x \right ) \left (x^{2}+1\right )}\right )}{4}+\frac {\operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) \ln \left (-\frac {2 \sqrt {-x^{2}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2} x -2 \sqrt {-x^{2}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}-2 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2} x^{2}+4 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2} x -\operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) x^{3}-2 \left (-x^{2}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}-4 \left (-x^{2}+1\right )^{\frac {3}{4}}+3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) x^{2}-5 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right ) x -\operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+2\right )^{2}\right )}{\left (-3+x \right ) \left (x^{2}+1\right )}\right )}{4}\) | \(408\) |
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Result contains complex when optimal does not.
Time = 5.08 (sec) , antiderivative size = 413, normalized size of antiderivative = 2.35 \[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=\left (\frac {1}{64} i + \frac {1}{64}\right ) \cdot 8^{\frac {3}{4}} \sqrt {2} \log \left (\frac {8^{\frac {3}{4}} \sqrt {2} {\left (\left (i + 1\right ) \, x^{3} - \left (3 i + 3\right ) \, x^{2} + \left (5 i + 5\right ) \, x + i + 1\right )} - 8 \cdot 8^{\frac {1}{4}} \sqrt {2} \sqrt {-x^{2} + 1} {\left (-\left (i - 1\right ) \, x + i - 1\right )} - 16 \, \sqrt {2} {\left (i \, x^{2} - 2 i \, x + i\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} + 32 \, {\left (-x^{2} + 1\right )}^{\frac {3}{4}}}{x^{3} - 3 \, x^{2} + x - 3}\right ) - \left (\frac {1}{64} i - \frac {1}{64}\right ) \cdot 8^{\frac {3}{4}} \sqrt {2} \log \left (\frac {8^{\frac {3}{4}} \sqrt {2} {\left (-\left (i - 1\right ) \, x^{3} + \left (3 i - 3\right ) \, x^{2} - \left (5 i - 5\right ) \, x - i + 1\right )} - 8 \cdot 8^{\frac {1}{4}} \sqrt {2} \sqrt {-x^{2} + 1} {\left (\left (i + 1\right ) \, x - i - 1\right )} - 16 \, \sqrt {2} {\left (-i \, x^{2} + 2 i \, x - i\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} + 32 \, {\left (-x^{2} + 1\right )}^{\frac {3}{4}}}{x^{3} - 3 \, x^{2} + x - 3}\right ) + \left (\frac {1}{64} i - \frac {1}{64}\right ) \cdot 8^{\frac {3}{4}} \sqrt {2} \log \left (\frac {8^{\frac {3}{4}} \sqrt {2} {\left (\left (i - 1\right ) \, x^{3} - \left (3 i - 3\right ) \, x^{2} + \left (5 i - 5\right ) \, x + i - 1\right )} - 8 \cdot 8^{\frac {1}{4}} \sqrt {2} \sqrt {-x^{2} + 1} {\left (-\left (i + 1\right ) \, x + i + 1\right )} - 16 \, \sqrt {2} {\left (-i \, x^{2} + 2 i \, x - i\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} + 32 \, {\left (-x^{2} + 1\right )}^{\frac {3}{4}}}{x^{3} - 3 \, x^{2} + x - 3}\right ) - \left (\frac {1}{64} i + \frac {1}{64}\right ) \cdot 8^{\frac {3}{4}} \sqrt {2} \log \left (\frac {8^{\frac {3}{4}} \sqrt {2} {\left (-\left (i + 1\right ) \, x^{3} + \left (3 i + 3\right ) \, x^{2} - \left (5 i + 5\right ) \, x - i - 1\right )} - 8 \cdot 8^{\frac {1}{4}} \sqrt {2} \sqrt {-x^{2} + 1} {\left (\left (i - 1\right ) \, x - i + 1\right )} - 16 \, \sqrt {2} {\left (i \, x^{2} - 2 i \, x + i\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} + 32 \, {\left (-x^{2} + 1\right )}^{\frac {3}{4}}}{x^{3} - 3 \, x^{2} + x - 3}\right ) \]
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\[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=\int \frac {x + 2}{\sqrt [4]{- \left (x - 1\right ) \left (x + 1\right )} \left (x - 3\right ) \left (x^{2} + 1\right )}\, dx \]
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\[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=\int { \frac {x + 2}{{\left (x^{2} + 1\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} {\left (x - 3\right )}} \,d x } \]
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\[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=\int { \frac {x + 2}{{\left (x^{2} + 1\right )} {\left (-x^{2} + 1\right )}^{\frac {1}{4}} {\left (x - 3\right )}} \,d x } \]
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Timed out. \[ \int \frac {2+x}{(-3+x) \sqrt [4]{1-x^2} \left (1+x^2\right )} \, dx=\int \frac {x+2}{{\left (1-x^2\right )}^{1/4}\,\left (x^2+1\right )\,\left (x-3\right )} \,d x \]
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