Optimal. Leaf size=32 \[ \frac {\tanh ^{-1}\left (\frac {3 x+2}{\sqrt {3} \sqrt {3 x^2+4 x-2}}\right )}{\sqrt {3}} \]
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Rubi [A] time = 0.01, antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {621, 206} \[ \frac {\tanh ^{-1}\left (\frac {3 x+2}{\sqrt {3} \sqrt {3 x^2+4 x-2}}\right )}{\sqrt {3}} \]
Antiderivative was successfully verified.
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Rule 206
Rule 621
Rubi steps
\begin {align*} \int \frac {1}{\sqrt {-2+4 x+3 x^2}} \, dx &=2 \operatorname {Subst}\left (\int \frac {1}{12-x^2} \, dx,x,\frac {4+6 x}{\sqrt {-2+4 x+3 x^2}}\right )\\ &=\frac {\tanh ^{-1}\left (\frac {2+3 x}{\sqrt {3} \sqrt {-2+4 x+3 x^2}}\right )}{\sqrt {3}}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 26, normalized size = 0.81 \[ \frac {\log \left (\sqrt {9 x^2+12 x-6}+3 x+2\right )}{\sqrt {3}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.87, size = 37, normalized size = 1.16 \[ \frac {1}{6} \, \sqrt {3} \log \left (\sqrt {3} \sqrt {3 \, x^{2} + 4 \, x - 2} {\left (3 \, x + 2\right )} + 9 \, x^{2} + 12 \, x - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.56, size = 34, normalized size = 1.06 \[ -\frac {1}{3} \, \sqrt {3} \log \left ({\left | -\sqrt {3} {\left (\sqrt {3} x - \sqrt {3 \, x^{2} + 4 \, x - 2}\right )} - 2 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 30, normalized size = 0.94 \[ \frac {\sqrt {3}\, \ln \left (\frac {\left (3 x +2\right ) \sqrt {3}}{3}+\sqrt {3 x^{2}+4 x -2}\right )}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 2.99, size = 28, normalized size = 0.88 \[ \frac {1}{3} \, \sqrt {3} \log \left (2 \, \sqrt {3} \sqrt {3 \, x^{2} + 4 \, x - 2} + 6 \, x + 4\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.23, size = 26, normalized size = 0.81 \[ \frac {\sqrt {3}\,\ln \left (\sqrt {3}\,\left (x+\frac {2}{3}\right )+\sqrt {3\,x^2+4\,x-2}\right )}{3} \]
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 \[ \int \frac {1}{\sqrt {3 x^{2} + 4 x - 2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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