Optimal. Leaf size=26 \[ 3 e^{-x} \left (x+x^2\right ) \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right ) \]
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Rubi [A]
time = 1.31, antiderivative size = 47, normalized size of antiderivative = 1.81, number of steps
used = 18, number of rules used = 6, integrand size = 83, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.072, Rules used = {6873, 6874,
2225, 2207, 2227, 2635} \begin {gather*} 3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (\log \left (x^2\right )+3\right )}{x}\right )+3 e^{-x} x \log (3) \log \left (\frac {3 \left (\log \left (x^2\right )+3\right )}{x}\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 2207
Rule 2225
Rule 2227
Rule 2635
Rule 6873
Rule 6874
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {e^{-x} \left ((-3-3 x) \log (3)+(-3-3 x) \log (3) \log \left (x^2\right )+\left (\left (9+9 x-9 x^2\right ) \log (3)+\left (3+3 x-3 x^2\right ) \log (3) \log \left (x^2\right )\right ) \log \left (\frac {9+3 \log \left (x^2\right )}{x}\right )\right )}{3+\log \left (x^2\right )} \, dx\\ &=\int \left (-\frac {3 e^{-x} (1+x) \log (3) \left (1+\log \left (x^2\right )\right )}{3+\log \left (x^2\right )}-3 e^{-x} \left (-1-x+x^2\right ) \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )\right ) \, dx\\ &=-\left ((3 \log (3)) \int \frac {e^{-x} (1+x) \left (1+\log \left (x^2\right )\right )}{3+\log \left (x^2\right )} \, dx\right )-(3 \log (3)) \int e^{-x} \left (-1-x+x^2\right ) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right ) \, dx\\ &=3 e^{-x} x \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+(3 \log (3)) \int \frac {e^{-x} (1+x) \left (1+\log \left (x^2\right )\right )}{3+\log \left (x^2\right )} \, dx-(3 \log (3)) \int \left (e^{-x}+e^{-x} x-\frac {2 e^{-x} (1+x)}{3+\log \left (x^2\right )}\right ) \, dx\\ &=3 e^{-x} x \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )-(3 \log (3)) \int e^{-x} \, dx-(3 \log (3)) \int e^{-x} x \, dx+(3 \log (3)) \int \left (e^{-x}+e^{-x} x-\frac {2 e^{-x} (1+x)}{3+\log \left (x^2\right )}\right ) \, dx+(6 \log (3)) \int \frac {e^{-x} (1+x)}{3+\log \left (x^2\right )} \, dx\\ &=3 e^{-x} \log (3)+3 e^{-x} x \log (3)+3 e^{-x} x \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+(3 \log (3)) \int e^{-x} x \, dx-(6 \log (3)) \int \frac {e^{-x} (1+x)}{3+\log \left (x^2\right )} \, dx+(6 \log (3)) \int \left (\frac {e^{-x}}{3+\log \left (x^2\right )}+\frac {e^{-x} x}{3+\log \left (x^2\right )}\right ) \, dx\\ &=3 e^{-x} \log (3)+3 e^{-x} x \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+(3 \log (3)) \int e^{-x} \, dx+(6 \log (3)) \int \frac {e^{-x}}{3+\log \left (x^2\right )} \, dx+(6 \log (3)) \int \frac {e^{-x} x}{3+\log \left (x^2\right )} \, dx-(6 \log (3)) \int \left (\frac {e^{-x}}{3+\log \left (x^2\right )}+\frac {e^{-x} x}{3+\log \left (x^2\right )}\right ) \, dx\\ &=3 e^{-x} x \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )+3 e^{-x} x^2 \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right )\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.17, size = 25, normalized size = 0.96 \begin {gather*} 3 e^{-x} x (1+x) \log (3) \log \left (\frac {3 \left (3+\log \left (x^2\right )\right )}{x}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 9 vs. order
3.
time = 1.05, size = 1616, normalized size = 62.15
method | result | size |
risch | \(\text {Expression too large to display}\) | \(1616\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 61 vs.
\(2 (25) = 50\).
time = 0.52, size = 61, normalized size = 2.35 \begin {gather*} 3 \, {\left (x^{2} \log \left (3\right ) + x \log \left (3\right )\right )} e^{\left (-x\right )} \log \left (2 \, \log \left (x\right ) + 3\right ) + 3 \, {\left (x^{2} \log \left (3\right )^{2} + x \log \left (3\right )^{2} - {\left (x^{2} \log \left (3\right ) + x \log \left (3\right )\right )} \log \left (x\right )\right )} e^{\left (-x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 25, normalized size = 0.96 \begin {gather*} 3 \, {\left (x^{2} + x\right )} e^{\left (-x\right )} \log \left (3\right ) \log \left (\frac {3 \, {\left (\log \left (x^{2}\right ) + 3\right )}}{x}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 2.30, size = 41, normalized size = 1.58 \begin {gather*} \left (3 x^{2} \log {\left (3 \right )} \log {\left (\frac {3 \log {\left (x^{2} \right )} + 9}{x} \right )} + 3 x \log {\left (3 \right )} \log {\left (\frac {3 \log {\left (x^{2} \right )} + 9}{x} \right )}\right ) e^{- x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 83 vs.
\(2 (25) = 50\).
time = 0.44, size = 83, normalized size = 3.19 \begin {gather*} 3 \, x^{2} e^{\left (-x\right )} \log \left (3\right )^{2} - 3 \, x^{2} e^{\left (-x\right )} \log \left (3\right ) \log \left (x\right ) + 3 \, x^{2} e^{\left (-x\right )} \log \left (3\right ) \log \left (\log \left (x^{2}\right ) + 3\right ) + 3 \, x e^{\left (-x\right )} \log \left (3\right )^{2} - 3 \, x e^{\left (-x\right )} \log \left (3\right ) \log \left (x\right ) + 3 \, x e^{\left (-x\right )} \log \left (3\right ) \log \left (\log \left (x^{2}\right ) + 3\right ) \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 = -0.04 \begin {gather*} \int -\frac {\ln \left (3\right )\,\left (3\,x+3\right )-\ln \left (\frac {3\,\ln \left (x^2\right )+9}{x}\right )\,\left (\ln \left (3\right )\,\left (-9\,x^2+9\,x+9\right )+\ln \left (x^2\right )\,\ln \left (3\right )\,\left (-3\,x^2+3\,x+3\right )\right )+\ln \left (x^2\right )\,\ln \left (3\right )\,\left (3\,x+3\right )}{3\,{\mathrm {e}}^x+\ln \left (x^2\right )\,{\mathrm {e}}^x} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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