Optimal. Leaf size=36 \[ \frac {2}{3} \tanh ^{-1}\left (\frac {x^2-2 x+1}{\sqrt {x^4-4 x^3+6 x^2-x-2}}\right ) \]
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Rubi [F] time = 0.14, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \frac {-1+x}{\sqrt {-2-x+6 x^2-4 x^3+x^4}} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {-1+x}{\sqrt {-2-x+6 x^2-4 x^3+x^4}} \, dx &=\int \left (-\frac {1}{\sqrt {-2-x+6 x^2-4 x^3+x^4}}+\frac {x}{\sqrt {-2-x+6 x^2-4 x^3+x^4}}\right ) \, dx\\ &=-\int \frac {1}{\sqrt {-2-x+6 x^2-4 x^3+x^4}} \, dx+\int \frac {x}{\sqrt {-2-x+6 x^2-4 x^3+x^4}} \, dx\\ \end {align*}
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Mathematica [C] time = 0.83, size = 640, normalized size = 17.78 \begin {gather*} \frac {2 \sqrt [3]{3} (x-1) \sqrt {\frac {-x+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]}{\left (x+\sqrt [3]{3}-1\right ) \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]\right )}} \left (x-\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right ) \left (F\left (\sin ^{-1}\left (\sqrt {\frac {(x-1) \left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}{\left (x+\sqrt [3]{3}-1\right ) \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}}\right )|\frac {\left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]\right ) \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}{\left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]\right ) \left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}\right )-\Pi \left (\frac {-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]}{-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]};\sin ^{-1}\left (\sqrt {\frac {(x-1) \left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}{\left (x+\sqrt [3]{3}-1\right ) \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}}\right )|\frac {\left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]\right ) \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}{\left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,2\right ]\right ) \left (-1+\sqrt [3]{3}+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}\right )\right )}{\sqrt {x^4-4 x^3+6 x^2-x-2} \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right ) \sqrt {-\frac {(x-1) \left (\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]-1+\sqrt [3]{3}\right ) \left (x-\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )}{\left (x+\sqrt [3]{3}-1\right )^2 \left (-1+\text {Root}\left [\text {$\#$1}^3-3 \text {$\#$1}^2+3 \text {$\#$1}+2\&,3\right ]\right )^2}}} \end {gather*}
Warning: Unable to verify antiderivative.
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IntegrateAlgebraic [A] time = 0.17, size = 36, normalized size = 1.00 \begin {gather*} \frac {2}{3} \tanh ^{-1}\left (\frac {x^2-2 x+1}{\sqrt {x^4-4 x^3+6 x^2-x-2}}\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.43, size = 43, normalized size = 1.19 \begin {gather*} \frac {1}{3} \, \log \left (2 \, x^{3} - 6 \, x^{2} + 2 \, \sqrt {x^{4} - 4 \, x^{3} + 6 \, x^{2} - x - 2} {\left (x - 1\right )} + 6 \, x + 1\right ) \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 - 1}{\sqrt {x^{4} - 4 \, x^{3} + 6 \, x^{2} - x - 2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.43, size = 740, normalized size = 20.56
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 \begin {gather*} \int \frac {x - 1}{\sqrt {x^{4} - 4 \, x^{3} + 6 \, x^{2} - x - 2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \frac {x-1}{\sqrt {x^4-4\,x^3+6\,x^2-x-2}} \,d x \end {gather*}
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 \begin {gather*} \int \frac {x - 1}{\sqrt {\left (x - 1\right ) \left (x^{3} - 3 x^{2} + 3 x + 2\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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