Optimal. Leaf size=90 \[ -\frac {2 \sqrt [4]{x^2-1}}{x}+\frac {\tan ^{-1}\left (\frac {\frac {\sqrt {x^2-1}}{\sqrt {2}}-\frac {1}{\sqrt {2}}}{\sqrt [4]{x^2-1}}\right )}{\sqrt {2}}+\frac {\tanh ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{x^2-1}}{\sqrt {x^2-1}+1}\right )}{\sqrt {2}} \]
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Rubi [A] time = 0.13, antiderivative size = 138, normalized size of antiderivative = 1.53, number of steps used = 12, number of rules used = 9, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.474, Rules used = {1807, 266, 63, 211, 1165, 628, 1162, 617, 204} \begin {gather*} -\frac {2 \sqrt [4]{x^2-1}}{x}-\frac {\log \left (\sqrt {x^2-1}-\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{2 \sqrt {2}}+\frac {\log \left (\sqrt {x^2-1}+\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{2 \sqrt {2}}-\frac {\tan ^{-1}\left (1-\sqrt {2} \sqrt [4]{x^2-1}\right )}{\sqrt {2}}+\frac {\tan ^{-1}\left (\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 63
Rule 204
Rule 211
Rule 266
Rule 617
Rule 628
Rule 1162
Rule 1165
Rule 1807
Rubi steps
\begin {align*} \int \frac {-2+x+x^2}{x^2 \left (-1+x^2\right )^{3/4}} \, dx &=-\frac {2 \sqrt [4]{-1+x^2}}{x}+\int \frac {1}{x \left (-1+x^2\right )^{3/4}} \, dx\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}+\frac {1}{2} \operatorname {Subst}\left (\int \frac {1}{(-1+x)^{3/4} x} \, dx,x,x^2\right )\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}+2 \operatorname {Subst}\left (\int \frac {1}{1+x^4} \, dx,x,\sqrt [4]{-1+x^2}\right )\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}+\operatorname {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\sqrt [4]{-1+x^2}\right )+\operatorname {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\sqrt [4]{-1+x^2}\right )\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}+\frac {1}{2} \operatorname {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\sqrt [4]{-1+x^2}\right )+\frac {1}{2} \operatorname {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\sqrt [4]{-1+x^2}\right )-\frac {\operatorname {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\sqrt [4]{-1+x^2}\right )}{2 \sqrt {2}}-\frac {\operatorname {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\sqrt [4]{-1+x^2}\right )}{2 \sqrt {2}}\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}-\frac {\log \left (1-\sqrt {2} \sqrt [4]{-1+x^2}+\sqrt {-1+x^2}\right )}{2 \sqrt {2}}+\frac {\log \left (1+\sqrt {2} \sqrt [4]{-1+x^2}+\sqrt {-1+x^2}\right )}{2 \sqrt {2}}+\frac {\operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\sqrt {2} \sqrt [4]{-1+x^2}\right )}{\sqrt {2}}-\frac {\operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\sqrt {2} \sqrt [4]{-1+x^2}\right )}{\sqrt {2}}\\ &=-\frac {2 \sqrt [4]{-1+x^2}}{x}-\frac {\tan ^{-1}\left (1-\sqrt {2} \sqrt [4]{-1+x^2}\right )}{\sqrt {2}}+\frac {\tan ^{-1}\left (1+\sqrt {2} \sqrt [4]{-1+x^2}\right )}{\sqrt {2}}-\frac {\log \left (1-\sqrt {2} \sqrt [4]{-1+x^2}+\sqrt {-1+x^2}\right )}{2 \sqrt {2}}+\frac {\log \left (1+\sqrt {2} \sqrt [4]{-1+x^2}+\sqrt {-1+x^2}\right )}{2 \sqrt {2}}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 138, normalized size = 1.53 \begin {gather*} -\frac {2 \sqrt [4]{x^2-1}}{x}-\frac {\log \left (\sqrt {x^2-1}-\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{2 \sqrt {2}}+\frac {\log \left (\sqrt {x^2-1}+\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{2 \sqrt {2}}-\frac {\tan ^{-1}\left (1-\sqrt {2} \sqrt [4]{x^2-1}\right )}{\sqrt {2}}+\frac {\tan ^{-1}\left (\sqrt {2} \sqrt [4]{x^2-1}+1\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 19.95, size = 86, normalized size = 0.96 \begin {gather*} -\frac {2 \sqrt [4]{-1+x^2}}{x}-\frac {\tan ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{-1+x^2}}{-1+\sqrt {-1+x^2}}\right )}{\sqrt {2}}+\frac {\tanh ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{-1+x^2}}{1+\sqrt {-1+x^2}}\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
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fricas [B] time = 1.46, size = 451, normalized size = 5.01 \begin {gather*} -\frac {4 \, \sqrt {2} x \arctan \left (\frac {x^{4} + 4 \, \sqrt {x^{2} - 1} x^{2} + 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} {\left (x^{2} - 4\right )} + 2 \, \sqrt {2} {\left (3 \, x^{2} - 4\right )} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + {\left (4 \, {\left (x^{2} - 1\right )}^{\frac {1}{4}} x^{2} + 2 \, \sqrt {2} \sqrt {x^{2} - 1} {\left (x^{2} - 4\right )} + \sqrt {2} {\left (x^{4} - 10 \, x^{2} + 8\right )} + 16 \, {\left (x^{2} - 1\right )}^{\frac {3}{4}}\right )} \sqrt {\frac {x^{2} + 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} + 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + 4 \, \sqrt {x^{2} - 1}}{x^{2}}}}{x^{4} - 16 \, x^{2} + 16}\right ) - 4 \, \sqrt {2} x \arctan \left (\frac {x^{4} + 4 \, \sqrt {x^{2} - 1} x^{2} - 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} {\left (x^{2} - 4\right )} - 2 \, \sqrt {2} {\left (3 \, x^{2} - 4\right )} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + {\left (4 \, {\left (x^{2} - 1\right )}^{\frac {1}{4}} x^{2} - 2 \, \sqrt {2} \sqrt {x^{2} - 1} {\left (x^{2} - 4\right )} - \sqrt {2} {\left (x^{4} - 10 \, x^{2} + 8\right )} + 16 \, {\left (x^{2} - 1\right )}^{\frac {3}{4}}\right )} \sqrt {\frac {x^{2} - 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} - 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + 4 \, \sqrt {x^{2} - 1}}{x^{2}}}}{x^{4} - 16 \, x^{2} + 16}\right ) - \sqrt {2} x \log \left (\frac {4 \, {\left (x^{2} + 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} + 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + 4 \, \sqrt {x^{2} - 1}\right )}}{x^{2}}\right ) + \sqrt {2} x \log \left (\frac {4 \, {\left (x^{2} - 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {3}{4}} - 2 \, \sqrt {2} {\left (x^{2} - 1\right )}^{\frac {1}{4}} + 4 \, \sqrt {x^{2} - 1}\right )}}{x^{2}}\right ) + 16 \, {\left (x^{2} - 1\right )}^{\frac {1}{4}}}{8 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^{2} + x - 2}{{\left (x^{2} - 1\right )}^{\frac {3}{4}} x^{2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 2.70, size = 76, normalized size = 0.84
method | result | size |
risch | \(-\frac {2 \left (x^{2}-1\right )^{\frac {1}{4}}}{x}+\frac {\left (-\mathrm {signum}\left (x^{2}-1\right )\right )^{\frac {3}{4}} \left (\frac {3 \Gamma \left (\frac {3}{4}\right ) x^{2} \hypergeom \left (\left [1, 1, \frac {7}{4}\right ], \left [2, 2\right ], x^{2}\right )}{4}+\left (-3 \ln \relax (2)+\frac {\pi }{2}+2 \ln \relax (x )+i \pi \right ) \Gamma \left (\frac {3}{4}\right )\right )}{2 \Gamma \left (\frac {3}{4}\right ) \mathrm {signum}\left (x^{2}-1\right )^{\frac {3}{4}}}\) | \(76\) |
meijerg | \(\frac {\left (-\mathrm {signum}\left (x^{2}-1\right )\right )^{\frac {3}{4}} x \hypergeom \left (\left [\frac {1}{2}, \frac {3}{4}\right ], \left [\frac {3}{2}\right ], x^{2}\right )}{\mathrm {signum}\left (x^{2}-1\right )^{\frac {3}{4}}}+\frac {\left (-\mathrm {signum}\left (x^{2}-1\right )\right )^{\frac {3}{4}} \left (\frac {3 \Gamma \left (\frac {3}{4}\right ) x^{2} \hypergeom \left (\left [1, 1, \frac {7}{4}\right ], \left [2, 2\right ], x^{2}\right )}{4}+\left (-3 \ln \relax (2)+\frac {\pi }{2}+2 \ln \relax (x )+i \pi \right ) \Gamma \left (\frac {3}{4}\right )\right )}{2 \Gamma \left (\frac {3}{4}\right ) \mathrm {signum}\left (x^{2}-1\right )^{\frac {3}{4}}}+\frac {2 \left (-\mathrm {signum}\left (x^{2}-1\right )\right )^{\frac {3}{4}} \hypergeom \left (\left [-\frac {1}{2}, \frac {3}{4}\right ], \left [\frac {1}{2}\right ], x^{2}\right )}{\mathrm {signum}\left (x^{2}-1\right )^{\frac {3}{4}} x}\) | \(125\) |
trager | \(-\frac {2 \left (x^{2}-1\right )^{\frac {1}{4}}}{x}-\frac {\RootOf \left (\textit {\_Z}^{4}+1\right )^{3} \ln \left (-\frac {-2 \sqrt {x^{2}-1}\, \RootOf \left (\textit {\_Z}^{4}+1\right )^{3}+2 \left (x^{2}-1\right )^{\frac {3}{4}}-2 \left (x^{2}-1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{4}+1\right )^{2}+\RootOf \left (\textit {\_Z}^{4}+1\right ) x^{2}-2 \RootOf \left (\textit {\_Z}^{4}+1\right )}{x^{2}}\right )}{2}-\frac {\RootOf \left (\textit {\_Z}^{4}+1\right ) \ln \left (-\frac {\RootOf \left (\textit {\_Z}^{4}+1\right )^{3} x^{2}+2 \left (x^{2}-1\right )^{\frac {3}{4}}-2 \sqrt {x^{2}-1}\, \RootOf \left (\textit {\_Z}^{4}+1\right )+2 \left (x^{2}-1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{4}+1\right )^{2}-2 \RootOf \left (\textit {\_Z}^{4}+1\right )^{3}}{x^{2}}\right )}{2}\) | \(170\) |
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 \begin {gather*} \int \frac {x^{2} + x - 2}{{\left (x^{2} - 1\right )}^{\frac {3}{4}} x^{2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.33, size = 89, normalized size = 0.99 \begin {gather*} \frac {4\,{\left (\frac {1}{x^2}\right )}^{3/4}\,{{}}_2{\mathrm {F}}_1\left (\frac {3}{4},\frac {5}{4};\ \frac {9}{4};\ \frac {1}{x^2}\right )}{5\,x}+\frac {x\,{\left (1-x^2\right )}^{3/4}\,{{}}_2{\mathrm {F}}_1\left (\frac {1}{2},\frac {3}{4};\ \frac {3}{2};\ x^2\right )}{{\left (x^2-1\right )}^{3/4}}+\sqrt {2}\,\mathrm {atan}\left (\sqrt {2}\,{\left (x^2-1\right )}^{1/4}\,\left (\frac {1}{2}-\frac {1}{2}{}\mathrm {i}\right )\right )\,\left (\frac {1}{2}+\frac {1}{2}{}\mathrm {i}\right )+\sqrt {2}\,\mathrm {atan}\left (\sqrt {2}\,{\left (x^2-1\right )}^{1/4}\,\left (\frac {1}{2}+\frac {1}{2}{}\mathrm {i}\right )\right )\,\left (\frac {1}{2}-\frac {1}{2}{}\mathrm {i}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 2.90, size = 75, normalized size = 0.83 \begin {gather*} x e^{- \frac {3 i \pi }{4}} {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, \frac {3}{4} \\ \frac {3}{2} \end {matrix}\middle | {x^{2}} \right )} - \frac {2 e^{\frac {i \pi }{4}} {{}_{2}F_{1}\left (\begin {matrix} - \frac {1}{2}, \frac {3}{4} \\ \frac {1}{2} \end {matrix}\middle | {x^{2}} \right )}}{x} - \frac {\Gamma \left (\frac {3}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {3}{4}, \frac {3}{4} \\ \frac {7}{4} \end {matrix}\middle | {\frac {e^{2 i \pi }}{x^{2}}} \right )}}{2 x^{\frac {3}{2}} \Gamma \left (\frac {7}{4}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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