Optimal. Leaf size=16 \[ 2 \log (1-x)+\log \left (1+x+x^2\right ) \]
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Rubi [A]
time = 0.01, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {1889, 31, 642}
\begin {gather*} \log \left (x^2+x+1\right )+2 \log (1-x) \end {gather*}
Antiderivative was successfully verified.
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Rule 31
Rule 642
Rule 1889
Rubi steps
\begin {align*} \int \frac {1+x+4 x^2}{-1+x^3} \, dx &=-\left (\frac {1}{3} \int \frac {-3-6 x}{1+x+x^2} \, dx\right )-2 \int \frac {1}{1-x} \, dx\\ &=2 \log (1-x)+\log \left (1+x+x^2\right )\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 16, normalized size = 1.00 \begin {gather*} 2 \log (1-x)+\log \left (1+x+x^2\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 15, normalized size = 0.94
method | result | size |
default | \(2 \ln \left (-1+x \right )+\ln \left (x^{2}+x +1\right )\) | \(15\) |
norman | \(2 \ln \left (-1+x \right )+\ln \left (x^{2}+x +1\right )\) | \(15\) |
risch | \(2 \ln \left (-1+x \right )+\ln \left (x^{2}+x +1\right )\) | \(15\) |
meijerg | \(\frac {x \left (\ln \left (1-\left (x^{3}\right )^{\frac {1}{3}}\right )-\frac {\ln \left (1+\left (x^{3}\right )^{\frac {1}{3}}+\left (x^{3}\right )^{\frac {2}{3}}\right )}{2}-\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (x^{3}\right )^{\frac {1}{3}}}{2+\left (x^{3}\right )^{\frac {1}{3}}}\right )\right )}{3 \left (x^{3}\right )^{\frac {1}{3}}}+\frac {4 \ln \left (-x^{3}+1\right )}{3}+\frac {x^{2} \left (\ln \left (1-\left (x^{3}\right )^{\frac {1}{3}}\right )-\frac {\ln \left (1+\left (x^{3}\right )^{\frac {1}{3}}+\left (x^{3}\right )^{\frac {2}{3}}\right )}{2}+\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (x^{3}\right )^{\frac {1}{3}}}{2+\left (x^{3}\right )^{\frac {1}{3}}}\right )\right )}{3 \left (x^{3}\right )^{\frac {2}{3}}}\) | \(135\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 1.31, size = 14, normalized size = 0.88 \begin {gather*} \log \left (x^{2} + x + 1\right ) + 2 \, \log \left (x - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.90, size = 14, normalized size = 0.88 \begin {gather*} \log \left (x^{2} + x + 1\right ) + 2 \, \log \left (x - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 14, normalized size = 0.88 \begin {gather*} 2 \log {\left (x - 1 \right )} + \log {\left (x^{2} + x + 1 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.46, size = 15, normalized size = 0.94 \begin {gather*} \log \left (x^{2} + x + 1\right ) + 2 \, \log \left ({\left | x - 1 \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 14, normalized size = 0.88 \begin {gather*} \ln \left (x^2+x+1\right )+2\,\ln \left (x-1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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