Optimal. Leaf size=22 \[ \log ^2\left (e^{-2+3 x^2} x^2\right )^{-2+e^3} \]
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Rubi [A] time = 0.42, antiderivative size = 37, normalized size of antiderivative = 1.68, number of steps used = 3, number of rules used = 3, integrand size = 60, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {6697, 15, 30} \begin {gather*} \frac {\log ^2\left (e^{3 x^2-2} x^2\right )^{e^3}}{\log ^4\left (e^{3 x^2-2} x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 15
Rule 30
Rule 6697
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=-\left (\left (2 \left (2-e^3\right )\right ) \operatorname {Subst}\left (\int \frac {\left (x^2\right )^{-2+e^3}}{x} \, dx,x,\log \left (e^{-2+3 x^2} x^2\right )\right )\right )\\ &=-\left (\left (2 \left (2-e^3\right ) \log ^{-2 e^3}\left (e^{-2+3 x^2} x^2\right ) \log ^2\left (e^{-2+3 x^2} x^2\right )^{e^3}\right ) \operatorname {Subst}\left (\int x^{-1+2 \left (-2+e^3\right )} \, dx,x,\log \left (e^{-2+3 x^2} x^2\right )\right )\right )\\ &=\frac {\log ^2\left (e^{-2+3 x^2} x^2\right )^{e^3}}{\log ^4\left (e^{-2+3 x^2} x^2\right )}\\ \end {aligned} \end {gather*}
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Mathematica [B] time = 0.03, size = 52, normalized size = 2.36 \begin {gather*} \frac {2 \left (-2+e^3\right ) \log ^2\left (e^{-2+3 x^2} x^2\right )^{e^3}}{\left (-4+2 e^3\right ) \log ^4\left (e^{-2+3 x^2} x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.56, size = 20, normalized size = 0.91 \begin {gather*} {\left (\log \left (x^{2} e^{\left (3 \, x^{2} - 2\right )}\right )^{2}\right )}^{e^{3} - 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.23, size = 35, normalized size = 1.59 \begin {gather*} \left (\log \left (x^{2} e^{\left (3 \, x^{2} - 2\right )}\right ) \mathrm {sgn}\left (\log \left (x^{2} e^{\left (3 \, x^{2} - 2\right )}\right )\right )\right )^{2 \, e^{3} - 4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.29, size = 0, normalized size = 0.00 \[\int \frac {\left (\left (12 x^{2}+4\right ) {\mathrm e}^{3}-24 x^{2}-8\right ) {\mathrm e}^{\left ({\mathrm e}^{3}-2\right ) \ln \left (\ln \left (x^{2} {\mathrm e}^{3 x^{2}-2}\right )^{2}\right )}}{x \ln \left (x^{2} {\mathrm e}^{3 x^{2}-2}\right )}\, dx\]
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*} -4 \, \int \frac {{\left (6 \, x^{2} - {\left (3 \, x^{2} + 1\right )} e^{3} + 2\right )} {\left (\log \left (x^{2} e^{\left (3 \, x^{2} - 2\right )}\right )^{2}\right )}^{e^{3} - 2}}{x \log \left (x^{2} e^{\left (3 \, x^{2} - 2\right )}\right )}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 3.81, size = 18, normalized size = 0.82 \begin {gather*} {\left ({\left (\ln \left (x^2\right )+3\,x^2-2\right )}^2\right )}^{{\mathrm {e}}^3-2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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