Optimal. Leaf size=220 \[ \frac {2-4 x}{5 \left (\sqrt {x^2-1}+\sqrt {x}\right )}-\frac {1}{50} \sqrt {50 \sqrt {5}-110} \tan ^{-1}\left (\frac {\sqrt {2 \sqrt {5}-2} \sqrt {x^2-1}}{2-\left (1-\sqrt {5}\right ) x}\right )-\frac {1}{50} \sqrt {110+50 \sqrt {5}} \tanh ^{-1}\left (\frac {\sqrt {2+2 \sqrt {5}} \sqrt {x^2-1}}{-\sqrt {5} x-x+2}\right )+\frac {1}{25} \sqrt {50 \sqrt {5}-110} \tan ^{-1}\left (\frac {1}{2} \sqrt {2+2 \sqrt {5}} \sqrt {x}\right )-\frac {1}{25} \sqrt {110+50 \sqrt {5}} \tanh ^{-1}\left (\frac {1}{2} \sqrt {2 \sqrt {5}-2} \sqrt {x}\right ) \]
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Rubi [A] time = 0.51, antiderivative size = 365, normalized size of antiderivative = 1.66, number of steps used = 18, number of rules used = 12, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.444, Rules used = {6742, 736, 826, 1166, 207, 203, 1018, 1034, 725, 206, 204, 985} \[ -\frac {2 \sqrt {x^2-1} (1-2 x)}{5 \left (-x^2+x+1\right )}+\frac {2 \sqrt {x} (1-2 x)}{5 \left (-x^2+x+1\right )}-\frac {2}{5} \sqrt {\frac {1}{5} \left (5 \sqrt {5}-2\right )} \tan ^{-1}\left (\frac {2-\left (1-\sqrt {5}\right ) x}{\sqrt {2 \left (\sqrt {5}-1\right )} \sqrt {x^2-1}}\right )+\sqrt {\frac {2}{5 \left (\sqrt {5}-1\right )}} \tan ^{-1}\left (\frac {2-\left (1-\sqrt {5}\right ) x}{\sqrt {2 \left (\sqrt {5}-1\right )} \sqrt {x^2-1}}\right )-\frac {2}{5} \sqrt {\frac {1}{5} \left (2+5 \sqrt {5}\right )} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {x^2-1}}\right )+\sqrt {\frac {2}{5 \left (1+\sqrt {5}\right )}} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {x^2-1}}\right )+\frac {1}{5} \sqrt {\frac {2}{5} \left (5 \sqrt {5}-11\right )} \tan ^{-1}\left (\sqrt {\frac {2}{\sqrt {5}-1}} \sqrt {x}\right )-\frac {1}{5} \sqrt {\frac {2}{5} \left (11+5 \sqrt {5}\right )} \tanh ^{-1}\left (\sqrt {\frac {2}{1+\sqrt {5}}} \sqrt {x}\right ) \]
Warning: Unable to verify antiderivative.
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Rule 203
Rule 204
Rule 206
Rule 207
Rule 725
Rule 736
Rule 826
Rule 985
Rule 1018
Rule 1034
Rule 1166
Rule 6742
Rubi steps
\begin {align*} \int \frac {1}{\sqrt {-1+x^2} \left (\sqrt {x}+\sqrt {-1+x^2}\right )^2} \, dx &=\int \left (-\frac {2 \sqrt {x}}{\left (-1-x+x^2\right )^2}+\frac {2 x}{\sqrt {-1+x^2} \left (-1-x+x^2\right )^2}+\frac {1}{\sqrt {-1+x^2} \left (-1-x+x^2\right )}\right ) \, dx\\ &=-\left (2 \int \frac {\sqrt {x}}{\left (-1-x+x^2\right )^2} \, dx\right )+2 \int \frac {x}{\sqrt {-1+x^2} \left (-1-x+x^2\right )^2} \, dx+\int \frac {1}{\sqrt {-1+x^2} \left (-1-x+x^2\right )} \, dx\\ &=\frac {2 (1-2 x) \sqrt {x}}{5 \left (1+x-x^2\right )}-\frac {2 (1-2 x) \sqrt {-1+x^2}}{5 \left (1+x-x^2\right )}-\frac {2}{5} \int \frac {-\frac {1}{2}-x}{\sqrt {x} \left (-1-x+x^2\right )} \, dx+\frac {2}{5} \int \frac {-3-x}{\sqrt {-1+x^2} \left (-1-x+x^2\right )} \, dx+\frac {2 \int \frac {1}{\left (-1-\sqrt {5}+2 x\right ) \sqrt {-1+x^2}} \, dx}{\sqrt {5}}-\frac {2 \int \frac {1}{\left (-1+\sqrt {5}+2 x\right ) \sqrt {-1+x^2}} \, dx}{\sqrt {5}}\\ &=\frac {2 (1-2 x) \sqrt {x}}{5 \left (1+x-x^2\right )}-\frac {2 (1-2 x) \sqrt {-1+x^2}}{5 \left (1+x-x^2\right )}-\frac {4}{5} \operatorname {Subst}\left (\int \frac {-\frac {1}{2}-x^2}{-1-x^2+x^4} \, dx,x,\sqrt {x}\right )-\frac {2 \operatorname {Subst}\left (\int \frac {1}{-4+\left (-1-\sqrt {5}\right )^2-x^2} \, dx,x,\frac {-2-\left (-1-\sqrt {5}\right ) x}{\sqrt {-1+x^2}}\right )}{\sqrt {5}}+\frac {2 \operatorname {Subst}\left (\int \frac {1}{-4+\left (-1+\sqrt {5}\right )^2-x^2} \, dx,x,\frac {-2-\left (-1+\sqrt {5}\right ) x}{\sqrt {-1+x^2}}\right )}{\sqrt {5}}-\frac {1}{25} \left (2 \left (5-7 \sqrt {5}\right )\right ) \int \frac {1}{\left (-1+\sqrt {5}+2 x\right ) \sqrt {-1+x^2}} \, dx-\frac {1}{25} \left (2 \left (5+7 \sqrt {5}\right )\right ) \int \frac {1}{\left (-1-\sqrt {5}+2 x\right ) \sqrt {-1+x^2}} \, dx\\ &=\frac {2 (1-2 x) \sqrt {x}}{5 \left (1+x-x^2\right )}-\frac {2 (1-2 x) \sqrt {-1+x^2}}{5 \left (1+x-x^2\right )}+\sqrt {\frac {2}{5 \left (-1+\sqrt {5}\right )}} \tan ^{-1}\left (\frac {2-\left (1-\sqrt {5}\right ) x}{\sqrt {2 \left (-1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )+\sqrt {\frac {2}{5 \left (1+\sqrt {5}\right )}} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )+\frac {1}{25} \left (2 \left (5-7 \sqrt {5}\right )\right ) \operatorname {Subst}\left (\int \frac {1}{-4+\left (-1+\sqrt {5}\right )^2-x^2} \, dx,x,\frac {-2-\left (-1+\sqrt {5}\right ) x}{\sqrt {-1+x^2}}\right )+\frac {1}{25} \left (2 \left (5-2 \sqrt {5}\right )\right ) \operatorname {Subst}\left (\int \frac {1}{-\frac {1}{2}+\frac {\sqrt {5}}{2}+x^2} \, dx,x,\sqrt {x}\right )+\frac {1}{25} \left (2 \left (5+2 \sqrt {5}\right )\right ) \operatorname {Subst}\left (\int \frac {1}{-\frac {1}{2}-\frac {\sqrt {5}}{2}+x^2} \, dx,x,\sqrt {x}\right )+\frac {1}{25} \left (2 \left (5+7 \sqrt {5}\right )\right ) \operatorname {Subst}\left (\int \frac {1}{-4+\left (-1-\sqrt {5}\right )^2-x^2} \, dx,x,\frac {-2-\left (-1-\sqrt {5}\right ) x}{\sqrt {-1+x^2}}\right )\\ &=\frac {2 (1-2 x) \sqrt {x}}{5 \left (1+x-x^2\right )}-\frac {2 (1-2 x) \sqrt {-1+x^2}}{5 \left (1+x-x^2\right )}+\frac {1}{5} \sqrt {\frac {2}{5} \left (-11+5 \sqrt {5}\right )} \tan ^{-1}\left (\sqrt {\frac {2}{-1+\sqrt {5}}} \sqrt {x}\right )+\sqrt {\frac {2}{5 \left (-1+\sqrt {5}\right )}} \tan ^{-1}\left (\frac {2-\left (1-\sqrt {5}\right ) x}{\sqrt {2 \left (-1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )-\frac {2}{5} \sqrt {\frac {1}{5} \left (-2+5 \sqrt {5}\right )} \tan ^{-1}\left (\frac {2-\left (1-\sqrt {5}\right ) x}{\sqrt {2 \left (-1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )-\frac {1}{5} \sqrt {\frac {2}{5} \left (11+5 \sqrt {5}\right )} \tanh ^{-1}\left (\sqrt {\frac {2}{1+\sqrt {5}}} \sqrt {x}\right )+\sqrt {\frac {2}{5 \left (1+\sqrt {5}\right )}} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )-\frac {2}{5} \sqrt {\frac {1}{5} \left (2+5 \sqrt {5}\right )} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {-1+x^2}}\right )\\ \end {align*}
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Mathematica [A] time = 0.85, size = 340, normalized size = 1.55 \[ \frac {2}{5} \left (\frac {\sqrt {x} (1-2 x)}{-x^2+x+1}+\frac {\sqrt {x^2-1} (1-2 x)}{x^2-x-1}-\frac {1}{2} \sqrt {\frac {5}{2} \left (1+\sqrt {5}\right )} \tan ^{-1}\left (\frac {-\sqrt {5} x+x-2}{\sqrt {2 \left (\sqrt {5}-1\right )} \sqrt {x^2-1}}\right )-\sqrt {\sqrt {5}-\frac {2}{5}} \tan ^{-1}\left (\frac {\left (\sqrt {5}-1\right ) x+2}{\sqrt {2 \left (\sqrt {5}-1\right )} \sqrt {x^2-1}}\right )-\sqrt {\frac {5}{2 \left (1+\sqrt {5}\right )}} \tanh ^{-1}\left (\frac {\sqrt {5} x+x-2}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {x^2-1}}\right )-\sqrt {\frac {2}{5}+\sqrt {5}} \tanh ^{-1}\left (\frac {2-\left (1+\sqrt {5}\right ) x}{\sqrt {2 \left (1+\sqrt {5}\right )} \sqrt {x^2-1}}\right )+\sqrt {\frac {1}{10} \left (5 \sqrt {5}-11\right )} \tan ^{-1}\left (\sqrt {\frac {2}{\sqrt {5}-1}} \sqrt {x}\right )-\sqrt {\frac {1}{10} \left (11+5 \sqrt {5}\right )} \tanh ^{-1}\left (\sqrt {\frac {2}{1+\sqrt {5}}} \sqrt {x}\right )\right ) \]
Warning: Unable to verify antiderivative.
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fricas [B] time = 0.78, size = 424, normalized size = 1.93 \[ \frac {4 \, \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} - 22} \arctan \left (\frac {1}{2} \, \sqrt {2 \, x^{2} - \sqrt {x^{2} - 1} {\left (2 \, x + \sqrt {5} - 1\right )} + \sqrt {5} x - x} \sqrt {10 \, \sqrt {5} - 22} {\left (\sqrt {5} + 2\right )} + \frac {1}{4} \, {\left (\sqrt {5} {\left (2 \, x + 1\right )} - 2 \, \sqrt {x^{2} - 1} {\left (\sqrt {5} + 2\right )} + 4 \, x + 3\right )} \sqrt {10 \, \sqrt {5} - 22}\right ) - 4 \, \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} - 22} \arctan \left (\frac {1}{4} \, {\left (\sqrt {2} \sqrt {2 \, x + \sqrt {5} - 1} {\left (\sqrt {5} + 2\right )} - 2 \, \sqrt {x} {\left (\sqrt {5} + 2\right )}\right )} \sqrt {10 \, \sqrt {5} - 22}\right ) - \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} + 22} \log \left (\sqrt {10 \, \sqrt {5} + 22} {\left (\sqrt {5} - 3\right )} - 4 \, x + 2 \, \sqrt {5} + 4 \, \sqrt {x^{2} - 1} + 2\right ) + \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} + 22} \log \left (\sqrt {10 \, \sqrt {5} + 22} {\left (\sqrt {5} - 3\right )} + 4 \, \sqrt {x}\right ) + \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} + 22} \log \left (-\sqrt {10 \, \sqrt {5} + 22} {\left (\sqrt {5} - 3\right )} - 4 \, x + 2 \, \sqrt {5} + 4 \, \sqrt {x^{2} - 1} + 2\right ) - \sqrt {5} {\left (x^{2} - x - 1\right )} \sqrt {10 \, \sqrt {5} + 22} \log \left (-\sqrt {10 \, \sqrt {5} + 22} {\left (\sqrt {5} - 3\right )} + 4 \, \sqrt {x}\right ) - 40 \, x^{2} - 20 \, \sqrt {x^{2} - 1} {\left (2 \, x - 1\right )} + 20 \, {\left (2 \, x - 1\right )} \sqrt {x} + 40 \, x + 40}{50 \, {\left (x^{2} - x - 1\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 8.76, size = 367, normalized size = 1.67 \[ \frac {2}{5} \, \sqrt {\frac {1}{10}} \sqrt {5 \, \sqrt {5} - 11} \arctan \left (\frac {2 \, x + \sqrt {5} - 2 \, \sqrt {x^{2} - 1} - 1}{\sqrt {2 \, \sqrt {5} - 2}}\right ) + \frac {1}{5} \, \sqrt {\frac {1}{10}} \sqrt {5 \, \sqrt {5} + 11} \log \left ({\left | -153040 \, x + 22956 \, \sqrt {5} \sqrt {50 \, \sqrt {5} + 110} + 76520 \, \sqrt {5} + 153040 \, \sqrt {x^{2} - 1} - 38260 \, \sqrt {50 \, \sqrt {5} + 110} + 76520 \right |}\right ) - \frac {1}{5} \, \sqrt {\frac {1}{10}} \sqrt {5 \, \sqrt {5} + 11} \log \left ({\left | -153040 \, x - 22956 \, \sqrt {5} \sqrt {50 \, \sqrt {5} + 110} + 76520 \, \sqrt {5} + 153040 \, \sqrt {x^{2} - 1} + 38260 \, \sqrt {50 \, \sqrt {5} + 110} + 76520 \right |}\right ) + \frac {1}{25} \, \sqrt {50 \, \sqrt {5} - 110} \arctan \left (\frac {\sqrt {x}}{\sqrt {\frac {1}{2} \, \sqrt {5} - \frac {1}{2}}}\right ) - \frac {1}{50} \, \sqrt {50 \, \sqrt {5} + 110} \log \left (\sqrt {x} + \sqrt {\frac {1}{2} \, \sqrt {5} + \frac {1}{2}}\right ) + \frac {1}{50} \, \sqrt {50 \, \sqrt {5} + 110} \log \left ({\left | \sqrt {x} - \sqrt {\frac {1}{2} \, \sqrt {5} + \frac {1}{2}} \right |}\right ) + \frac {4 \, {\left ({\left (x - \sqrt {x^{2} - 1}\right )}^{3} + 2 \, {\left (x - \sqrt {x^{2} - 1}\right )}^{2} + 3 \, x - 3 \, \sqrt {x^{2} - 1} - 2\right )}}{5 \, {\left ({\left (x - \sqrt {x^{2} - 1}\right )}^{4} - 2 \, {\left (x - \sqrt {x^{2} - 1}\right )}^{3} - 2 \, {\left (x - \sqrt {x^{2} - 1}\right )}^{2} - 2 \, x + 2 \, \sqrt {x^{2} - 1} + 1\right )}} + \frac {2 \, {\left (2 \, x^{\frac {3}{2}} - \sqrt {x}\right )}}{5 \, {\left (x^{2} - x - 1\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.14, size = 902, normalized size = 4.10 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{\sqrt {x^{2} - 1} {\left (\sqrt {x^{2} - 1} + \sqrt {x}\right )}^{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.00 \[ \int \frac {1}{\sqrt {x^2-1}\,{\left (\sqrt {x^2-1}+\sqrt {x}\right )}^2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{\sqrt {\left (x - 1\right ) \left (x + 1\right )} \left (\sqrt {x} + \sqrt {x^{2} - 1}\right )^{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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