Integrand size = 15, antiderivative size = 272 \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}-\frac {1}{64} \sqrt {\frac {1}{2} \left (-527+373 \sqrt {2}\right )} \arctan \left (\frac {\sqrt {2 \left (-1+\sqrt {2}\right )}-2 \sqrt {-1+x}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )+\frac {1}{64} \sqrt {\frac {1}{2} \left (-527+373 \sqrt {2}\right )} \arctan \left (\frac {\sqrt {2 \left (-1+\sqrt {2}\right )}+2 \sqrt {-1+x}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )-\frac {1}{128} \sqrt {\frac {1}{2} \left (527+373 \sqrt {2}\right )} \log \left (1-\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right )+\frac {1}{128} \sqrt {\frac {1}{2} \left (527+373 \sqrt {2}\right )} \log \left (1-\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right ) \]
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Time = 0.24 (sec) , antiderivative size = 272, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.533, Rules used = {751, 837, 841, 1183, 648, 632, 210, 642} \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=-\frac {1}{64} \sqrt {\frac {1}{2} \left (373 \sqrt {2}-527\right )} \arctan \left (\frac {\sqrt {2 \left (\sqrt {2}-1\right )}-2 \sqrt {x-1}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )+\frac {1}{64} \sqrt {\frac {1}{2} \left (373 \sqrt {2}-527\right )} \arctan \left (\frac {2 \sqrt {x-1}+\sqrt {2 \left (\sqrt {2}-1\right )}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )-\frac {\sqrt {x-1} (1-11 x)}{32 \left (x^2+1\right )}+\frac {\sqrt {x-1} x}{4 \left (x^2+1\right )^2}-\frac {1}{128} \sqrt {\frac {1}{2} \left (527+373 \sqrt {2}\right )} \log \left (-x-\sqrt {2 \left (\sqrt {2}-1\right )} \sqrt {x-1}-\sqrt {2}+1\right )+\frac {1}{128} \sqrt {\frac {1}{2} \left (527+373 \sqrt {2}\right )} \log \left (-x+\sqrt {2 \left (\sqrt {2}-1\right )} \sqrt {x-1}-\sqrt {2}+1\right ) \]
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Rule 210
Rule 632
Rule 642
Rule 648
Rule 751
Rule 837
Rule 841
Rule 1183
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {1}{4} \int \frac {3-\frac {5 x}{2}}{\sqrt {-1+x} \left (1+x^2\right )^2} \, dx \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}+\frac {1}{16} \int \frac {-\frac {25}{4}+\frac {11 x}{4}}{\sqrt {-1+x} \left (1+x^2\right )} \, dx \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}+\frac {1}{8} \text {Subst}\left (\int \frac {-\frac {7}{2}+\frac {11 x^2}{4}}{2+2 x^2+x^4} \, dx,x,\sqrt {-1+x}\right ) \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}+\frac {\text {Subst}\left (\int \frac {-7 \sqrt {\frac {1}{2} \left (-1+\sqrt {2}\right )}-\left (-\frac {7}{2}-\frac {11}{2 \sqrt {2}}\right ) x}{\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )}{32 \sqrt {-1+\sqrt {2}}}+\frac {\text {Subst}\left (\int \frac {-7 \sqrt {\frac {1}{2} \left (-1+\sqrt {2}\right )}+\left (-\frac {7}{2}-\frac {11}{2 \sqrt {2}}\right ) x}{\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )}{32 \sqrt {-1+\sqrt {2}}} \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}+\frac {1}{128} \sqrt {219-154 \sqrt {2}} \text {Subst}\left (\int \frac {1}{\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )+\frac {1}{128} \sqrt {219-154 \sqrt {2}} \text {Subst}\left (\int \frac {1}{\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )+\frac {\left (14+11 \sqrt {2}\right ) \text {Subst}\left (\int \frac {-\sqrt {2 \left (-1+\sqrt {2}\right )}+2 x}{\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )}{256 \sqrt {-1+\sqrt {2}}}-\frac {\left (14+11 \sqrt {2}\right ) \text {Subst}\left (\int \frac {\sqrt {2 \left (-1+\sqrt {2}\right )}+2 x}{\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} x+x^2} \, dx,x,\sqrt {-1+x}\right )}{256 \sqrt {-1+\sqrt {2}}} \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}-\frac {1}{256} \sqrt {1054+746 \sqrt {2}} \log \left (1-\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right )+\frac {1}{256} \sqrt {1054+746 \sqrt {2}} \log \left (1-\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right )-\frac {1}{64} \sqrt {219-154 \sqrt {2}} \text {Subst}\left (\int \frac {1}{-2 \left (1+\sqrt {2}\right )-x^2} \, dx,x,-\sqrt {2 \left (-1+\sqrt {2}\right )}+2 \sqrt {-1+x}\right )-\frac {1}{64} \sqrt {219-154 \sqrt {2}} \text {Subst}\left (\int \frac {1}{-2 \left (1+\sqrt {2}\right )-x^2} \, dx,x,\sqrt {2 \left (-1+\sqrt {2}\right )}+2 \sqrt {-1+x}\right ) \\ & = \frac {\sqrt {-1+x} x}{4 \left (1+x^2\right )^2}-\frac {(1-11 x) \sqrt {-1+x}}{32 \left (1+x^2\right )}-\frac {1}{64} \sqrt {\frac {1}{2} \left (-527+373 \sqrt {2}\right )} \tan ^{-1}\left (\frac {\sqrt {2 \left (-1+\sqrt {2}\right )}-2 \sqrt {-1+x}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )+\frac {1}{64} \sqrt {\frac {1}{2} \left (-527+373 \sqrt {2}\right )} \tan ^{-1}\left (\frac {\sqrt {2 \left (-1+\sqrt {2}\right )}+2 \sqrt {-1+x}}{\sqrt {2 \left (1+\sqrt {2}\right )}}\right )-\frac {1}{256} \sqrt {1054+746 \sqrt {2}} \log \left (1-\sqrt {2}-\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right )+\frac {1}{256} \sqrt {1054+746 \sqrt {2}} \log \left (1-\sqrt {2}+\sqrt {2 \left (-1+\sqrt {2}\right )} \sqrt {-1+x}-x\right ) \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.33 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.34 \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\frac {1}{64} \left (\frac {2 \sqrt {-1+x} \left (-1+19 x-x^2+11 x^3\right )}{\left (1+x^2\right )^2}+\sqrt {-527-23 i} \arctan \left (\sqrt {\frac {1}{2}-\frac {i}{2}} \sqrt {-1+x}\right )+\sqrt {-527+23 i} \arctan \left (\sqrt {\frac {1}{2}+\frac {i}{2}} \sqrt {-1+x}\right )\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 2.54 (sec) , antiderivative size = 444, normalized size of antiderivative = 1.63
method | result | size |
trager | \(\frac {\left (11 x^{3}-x^{2}+19 x -1\right ) \sqrt {-1+x}}{32 \left (x^{2}+1\right )^{2}}+\frac {\operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right ) \ln \left (-\frac {3008 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{4} x \operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right )-185916 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right ) x -21620 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right )-411792 \sqrt {-1+x}\, \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}+2870608 \operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right ) x +686320 \operatorname {RootOf}\left (\textit {\_Z}^{2}+16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}-1054\right )+14352667 \sqrt {-1+x}}{16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2} x -527 x +23}\right )}{128}+\frac {\operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right ) \ln \left (-\frac {12032 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{5} x -841552 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{3} x +411792 \sqrt {-1+x}\, \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2}+86480 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{3}+14706618 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right ) x -12774131 \sqrt {-1+x}-2951590 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )}{16 \operatorname {RootOf}\left (128 \textit {\_Z}^{4}-8432 \textit {\_Z}^{2}+139129\right )^{2} x -527 x -23}\right )}{32}\) | \(444\) |
risch | \(\frac {\left (11 x^{3}-x^{2}+19 x -1\right ) \sqrt {-1+x}}{32 \left (x^{2}+1\right )^{2}}+\frac {9 \ln \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right ) \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}}{128}+\frac {25 \ln \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}}{256}+\frac {9 \arctan \left (\frac {2 \sqrt {-1+x}-\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \left (-2+2 \sqrt {2}\right ) \sqrt {2}}{64 \sqrt {2+2 \sqrt {2}}}+\frac {25 \arctan \left (\frac {2 \sqrt {-1+x}-\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \left (-2+2 \sqrt {2}\right )}{128 \sqrt {2+2 \sqrt {2}}}-\frac {7 \arctan \left (\frac {2 \sqrt {-1+x}-\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \sqrt {2}}{32 \sqrt {2+2 \sqrt {2}}}-\frac {9 \ln \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right ) \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}}{128}-\frac {25 \ln \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}}{256}+\frac {9 \arctan \left (\frac {2 \sqrt {-1+x}+\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \left (-2+2 \sqrt {2}\right ) \sqrt {2}}{64 \sqrt {2+2 \sqrt {2}}}+\frac {25 \arctan \left (\frac {2 \sqrt {-1+x}+\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \left (-2+2 \sqrt {2}\right )}{128 \sqrt {2+2 \sqrt {2}}}-\frac {7 \arctan \left (\frac {2 \sqrt {-1+x}+\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right ) \sqrt {2}}{32 \sqrt {2+2 \sqrt {2}}}\) | \(451\) |
derivativedivides | \(-\frac {-\frac {4 \left (-759-506 \sqrt {2}\right ) \left (-1+x \right )^{\frac {3}{2}}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-5336-3588 \sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}\, \left (-1+x \right )}{23 \left (-6-4 \sqrt {2}\right )}-\frac {2 \left (-2392 \sqrt {2}-3036\right ) \sqrt {-1+x}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-3312 \sqrt {2}-4416\right ) \sqrt {-2+2 \sqrt {2}}}{46 \left (-6-4 \sqrt {2}\right )}}{128 \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )^{2}}-\frac {\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \ln \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )}{2}+\frac {2 \left (42 \sqrt {2}+56-\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \sqrt {-2+2 \sqrt {2}}}{2}\right ) \arctan \left (\frac {2 \sqrt {-1+x}+\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right )}{\sqrt {2+2 \sqrt {2}}}}{128 \left (3+2 \sqrt {2}\right )}+\frac {\frac {4 \left (-759-506 \sqrt {2}\right ) \left (-1+x \right )^{\frac {3}{2}}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-5336-3588 \sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}\, \left (-1+x \right )}{23 \left (-6-4 \sqrt {2}\right )}+\frac {2 \left (-2392 \sqrt {2}-3036\right ) \sqrt {-1+x}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-3312 \sqrt {2}-4416\right ) \sqrt {-2+2 \sqrt {2}}}{46 \left (-6-4 \sqrt {2}\right )}}{128 \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )^{2}}+\frac {\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \ln \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )}{2}+\frac {2 \left (-42 \sqrt {2}-56+\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \sqrt {-2+2 \sqrt {2}}}{2}\right ) \arctan \left (\frac {2 \sqrt {-1+x}-\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right )}{\sqrt {2+2 \sqrt {2}}}}{384+256 \sqrt {2}}\) | \(554\) |
default | \(-\frac {-\frac {4 \left (-759-506 \sqrt {2}\right ) \left (-1+x \right )^{\frac {3}{2}}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-5336-3588 \sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}\, \left (-1+x \right )}{23 \left (-6-4 \sqrt {2}\right )}-\frac {2 \left (-2392 \sqrt {2}-3036\right ) \sqrt {-1+x}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-3312 \sqrt {2}-4416\right ) \sqrt {-2+2 \sqrt {2}}}{46 \left (-6-4 \sqrt {2}\right )}}{128 \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )^{2}}-\frac {\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \ln \left (-1+x +\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )}{2}+\frac {2 \left (42 \sqrt {2}+56-\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \sqrt {-2+2 \sqrt {2}}}{2}\right ) \arctan \left (\frac {2 \sqrt {-1+x}+\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right )}{\sqrt {2+2 \sqrt {2}}}}{128 \left (3+2 \sqrt {2}\right )}+\frac {\frac {4 \left (-759-506 \sqrt {2}\right ) \left (-1+x \right )^{\frac {3}{2}}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-5336-3588 \sqrt {2}\right ) \sqrt {-2+2 \sqrt {2}}\, \left (-1+x \right )}{23 \left (-6-4 \sqrt {2}\right )}+\frac {2 \left (-2392 \sqrt {2}-3036\right ) \sqrt {-1+x}}{23 \left (-6-4 \sqrt {2}\right )}-\frac {\left (-3312 \sqrt {2}-4416\right ) \sqrt {-2+2 \sqrt {2}}}{46 \left (-6-4 \sqrt {2}\right )}}{128 \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )^{2}}+\frac {\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \ln \left (-1+x -\sqrt {-1+x}\, \sqrt {-2+2 \sqrt {2}}+\sqrt {2}\right )}{2}+\frac {2 \left (-42 \sqrt {2}-56+\frac {\left (104 \sqrt {2}\, \sqrt {-2+2 \sqrt {2}}+147 \sqrt {-2+2 \sqrt {2}}\right ) \sqrt {-2+2 \sqrt {2}}}{2}\right ) \arctan \left (\frac {2 \sqrt {-1+x}-\sqrt {-2+2 \sqrt {2}}}{\sqrt {2+2 \sqrt {2}}}\right )}{\sqrt {2+2 \sqrt {2}}}}{384+256 \sqrt {2}}\) | \(554\) |
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Result contains complex when optimal does not.
Time = 0.84 (sec) , antiderivative size = 151, normalized size of antiderivative = 0.56 \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=-\frac {\sqrt {23 i + 527} {\left (x^{4} + 2 \, x^{2} + 1\right )} \log \left (-\left (18 i - 7\right ) \, \sqrt {23 i + 527} + 373 \, \sqrt {x - 1}\right ) - \sqrt {23 i + 527} {\left (x^{4} + 2 \, x^{2} + 1\right )} \log \left (\left (18 i - 7\right ) \, \sqrt {23 i + 527} + 373 \, \sqrt {x - 1}\right ) + \sqrt {-23 i + 527} {\left (x^{4} + 2 \, x^{2} + 1\right )} \log \left (\left (18 i + 7\right ) \, \sqrt {-23 i + 527} + 373 \, \sqrt {x - 1}\right ) - \sqrt {-23 i + 527} {\left (x^{4} + 2 \, x^{2} + 1\right )} \log \left (-\left (18 i + 7\right ) \, \sqrt {-23 i + 527} + 373 \, \sqrt {x - 1}\right ) - 4 \, {\left (11 \, x^{3} - x^{2} + 19 \, x - 1\right )} \sqrt {x - 1}}{128 \, {\left (x^{4} + 2 \, x^{2} + 1\right )}} \]
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\[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\int \frac {\sqrt {x - 1}}{\left (x^{2} + 1\right )^{3}}\, dx \]
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\[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\int { \frac {\sqrt {x - 1}}{{\left (x^{2} + 1\right )}^{3}} \,d x } \]
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Time = 0.68 (sec) , antiderivative size = 206, normalized size of antiderivative = 0.76 \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\frac {1}{128} \, \sqrt {746 \, \sqrt {2} - 1054} \arctan \left (\frac {2^{\frac {3}{4}} {\left (2^{\frac {1}{4}} \sqrt {-\sqrt {2} + 2} + 2 \, \sqrt {x - 1}\right )}}{2 \, \sqrt {\sqrt {2} + 2}}\right ) + \frac {1}{128} \, \sqrt {746 \, \sqrt {2} - 1054} \arctan \left (-\frac {2^{\frac {3}{4}} {\left (2^{\frac {1}{4}} \sqrt {-\sqrt {2} + 2} - 2 \, \sqrt {x - 1}\right )}}{2 \, \sqrt {\sqrt {2} + 2}}\right ) - \frac {1}{256} \, \sqrt {746 \, \sqrt {2} + 1054} \log \left (2^{\frac {1}{4}} \sqrt {x - 1} \sqrt {-\sqrt {2} + 2} + x + \sqrt {2} - 1\right ) + \frac {1}{256} \, \sqrt {746 \, \sqrt {2} + 1054} \log \left (-2^{\frac {1}{4}} \sqrt {x - 1} \sqrt {-\sqrt {2} + 2} + x + \sqrt {2} - 1\right ) + \frac {11 \, {\left (x - 1\right )}^{\frac {7}{2}} + 32 \, {\left (x - 1\right )}^{\frac {5}{2}} + 50 \, {\left (x - 1\right )}^{\frac {3}{2}} + 28 \, \sqrt {x - 1}}{32 \, {\left ({\left (x - 1\right )}^{2} + 2 \, x\right )}^{2}} \]
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Time = 0.13 (sec) , antiderivative size = 440, normalized size of antiderivative = 1.62 \[ \int \frac {\sqrt {-1+x}}{\left (1+x^2\right )^3} \, dx=\mathrm {atanh}\left (\frac {275\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {x-1}}{64\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}-\frac {207}{4096}\right )}+\frac {275\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\,\sqrt {x-1}}{64\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}-\frac {207}{4096}\right )}+\frac {373\,\sqrt {2}\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {x-1}}{128\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}-\frac {207}{4096}\right )}-\frac {373\,\sqrt {2}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\,\sqrt {x-1}}{128\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}-\frac {207}{4096}\right )}\right )\,\left (2\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}+2\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\right )-\mathrm {atanh}\left (\frac {275\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {x-1}}{64\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}+\frac {207}{4096}\right )}-\frac {275\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\,\sqrt {x-1}}{64\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}+\frac {207}{4096}\right )}+\frac {373\,\sqrt {2}\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {x-1}}{128\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}+\frac {207}{4096}\right )}+\frac {373\,\sqrt {2}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\,\sqrt {x-1}}{128\,\left (28\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}+\frac {207}{4096}\right )}\right )\,\left (2\,\sqrt {\frac {527}{32768}-\frac {373\,\sqrt {2}}{32768}}-2\,\sqrt {\frac {373\,\sqrt {2}}{32768}+\frac {527}{32768}}\right )+\frac {\frac {7\,\sqrt {x-1}}{8}+\frac {25\,{\left (x-1\right )}^{3/2}}{16}+{\left (x-1\right )}^{5/2}+\frac {11\,{\left (x-1\right )}^{7/2}}{32}}{8\,x+8\,{\left (x-1\right )}^2+4\,{\left (x-1\right )}^3+{\left (x-1\right )}^4-4} \]
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