Optimal. Leaf size=67 \[ -\frac {1}{2} \log (x+1)-\frac {3}{2} \log \left (1-\frac {x-1}{\sqrt [3]{(x-1)^2 (x+1)}}\right )+\sqrt {3} \tan ^{-1}\left (\frac {\frac {2 (x-1)}{\sqrt [3]{(x-1)^2 (x+1)}}+1}{\sqrt {3}}\right ) \]
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Rubi [B] time = 0.12, antiderivative size = 188, normalized size of antiderivative = 2.81, number of steps used = 3, number of rules used = 3, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {2067, 2064, 60} \[ -\frac {(3-3 x)^{2/3} \sqrt [3]{x+1} \log \left (-\frac {8}{3} (x-1)\right )}{2\ 3^{2/3} \sqrt [3]{x^3-x^2-x+1}}-\frac {\sqrt [3]{3} (3-3 x)^{2/3} \sqrt [3]{x+1} \log \left (\frac {\sqrt [3]{3} \sqrt [3]{x+1}}{\sqrt [3]{3-3 x}}+1\right )}{2 \sqrt [3]{x^3-x^2-x+1}}-\frac {(3-3 x)^{2/3} \sqrt [3]{x+1} \tan ^{-1}\left (\frac {1}{\sqrt {3}}-\frac {2 \sqrt [3]{x+1}}{\sqrt [6]{3} \sqrt [3]{3-3 x}}\right )}{\sqrt [6]{3} \sqrt [3]{x^3-x^2-x+1}} \]
Antiderivative was successfully verified.
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Rule 60
Rule 2064
Rule 2067
Rubi steps
\begin {align*} \int \frac {1}{\sqrt [3]{(-1+x)^2 (1+x)}} \, dx &=\operatorname {Subst}\left (\int \frac {1}{\sqrt [3]{\frac {16}{27}-\frac {4 x}{3}+x^3}} \, dx,x,-\frac {1}{3}+x\right )\\ &=\frac {\left (4\ 2^{2/3} (1-x)^{2/3} \sqrt [3]{1+x}\right ) \operatorname {Subst}\left (\int \frac {1}{\left (\frac {16}{9}-\frac {8 x}{3}\right )^{2/3} \sqrt [3]{\frac {16}{9}+\frac {4 x}{3}}} \, dx,x,-\frac {1}{3}+x\right )}{3 \sqrt [3]{1-x-x^2+x^3}}\\ &=-\frac {\sqrt {3} (1-x)^{2/3} \sqrt [3]{1+x} \tan ^{-1}\left (\frac {1}{\sqrt {3}}-\frac {2 \sqrt [3]{1+x}}{\sqrt {3} \sqrt [3]{1-x}}\right )}{\sqrt [3]{1-x-x^2+x^3}}-\frac {(1-x)^{2/3} \sqrt [3]{1+x} \log (1-x)}{2 \sqrt [3]{1-x-x^2+x^3}}-\frac {3 (1-x)^{2/3} \sqrt [3]{1+x} \log \left (\frac {3 \left (\sqrt [3]{1-x}+\sqrt [3]{1+x}\right )}{\sqrt [3]{1-x}}\right )}{2 \sqrt [3]{1-x-x^2+x^3}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 49, normalized size = 0.73 \[ \frac {3 (x-1) \sqrt [3]{x+1} \, _2F_1\left (\frac {1}{3},\frac {1}{3};\frac {4}{3};\frac {1-x}{2}\right )}{\sqrt [3]{2} \sqrt [3]{(x-1)^2 (x+1)}} \]
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.26, size = 132, normalized size = 1.97 \[ -\log \left (\sqrt [3]{x^3-x^2-x+1}-x+1\right )+\frac {1}{2} \log \left (x^2+\left (x^3-x^2-x+1\right )^{2/3}+(x-1) \sqrt [3]{x^3-x^2-x+1}-2 x+1\right )-\sqrt {3} \tan ^{-1}\left (\frac {\sqrt {3} \sqrt [3]{x^3-x^2-x+1}}{\sqrt [3]{x^3-x^2-x+1}+2 x-2}\right ) \]
Antiderivative was successfully verified.
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fricas [B] time = 0.90, size = 128, normalized size = 1.91 \[ -\sqrt {3} \arctan \left (\frac {\sqrt {3} {\left (x - 1\right )} + 2 \, \sqrt {3} {\left (x^{3} - x^{2} - x + 1\right )}^{\frac {1}{3}}}{3 \, {\left (x - 1\right )}}\right ) + \frac {1}{2} \, \log \left (\frac {x^{2} + {\left (x^{3} - x^{2} - x + 1\right )}^{\frac {1}{3}} {\left (x - 1\right )} - 2 \, x + {\left (x^{3} - x^{2} - x + 1\right )}^{\frac {2}{3}} + 1}{x^{2} - 2 \, x + 1}\right ) - \log \left (-\frac {x - {\left (x^{3} - x^{2} - x + 1\right )}^{\frac {1}{3}} - 1}{x - 1}\right ) \]
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 \[ \int \frac {1}{\left ({\left (x + 1\right )} {\left (x - 1\right )}^{2}\right )^{\frac {1}{3}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.44, size = 370, normalized size = 5.52
method | result | size |
trager | \(-\ln \left (\frac {4 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )^{2} x^{2}-4 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )^{2} x +3 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) \left (x^{3}-x^{2}-x +1\right )^{\frac {2}{3}}-3 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}} x -4 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) x^{2}+3 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}}+2 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) x +3 \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}} x +x^{2}+2 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )-3 \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}}-1}{-1+x}\right )+\RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) \ln \left (-\frac {2 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )^{2} x^{2}-2 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )^{2} x +3 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) \left (x^{3}-x^{2}-x +1\right )^{\frac {2}{3}}-5 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) x^{2}+6 \RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right ) x -3 \left (x^{3}-x^{2}-x +1\right )^{\frac {2}{3}}+3 \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}} x +2 x^{2}-\RootOf \left (\textit {\_Z}^{2}-\textit {\_Z} +1\right )-3 \left (x^{3}-x^{2}-x +1\right )^{\frac {1}{3}}-4 x +2}{-1+x}\right )\) | \(370\) |
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 \[ \int \frac {1}{\left ({\left (x + 1\right )} {\left (x - 1\right )}^{2}\right )^{\frac {1}{3}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {1}{{\left ({\left (x-1\right )}^2\,\left (x+1\right )\right )}^{1/3}} \,d x \]
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 \[ \int \frac {1}{\sqrt [3]{\left (x - 1\right )^{2} \left (x + 1\right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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