Optimal. Leaf size=30 \[ e^{-e^{9-x}} \left (2+\log \left (6-5 \left (5-(4-x)^2\right )\right )\right ) \]
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Rubi [B] time = 0.36, antiderivative size = 76, normalized size of antiderivative = 2.53, number of steps used = 1, number of rules used = 1, integrand size = 76, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.013, Rules used = {2288} \begin {gather*} \frac {e^{x-e^{9-x}-9} \left (2 e^{9-x} \left (5 x^2-40 x+61\right )+e^{9-x} \left (5 x^2-40 x+61\right ) \log \left (5 x^2-40 x+61\right )\right )}{5 x^2-40 x+61} \end {gather*}
Antiderivative was successfully verified.
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Rule 2288
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\frac {e^{-9-e^{9-x}+x} \left (2 e^{9-x} \left (61-40 x+5 x^2\right )+e^{9-x} \left (61-40 x+5 x^2\right ) \log \left (61-40 x+5 x^2\right )\right )}{61-40 x+5 x^2}\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.40, size = 25, normalized size = 0.83 \begin {gather*} e^{-e^{9-x}} \left (2+\log \left (61-40 x+5 x^2\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.53, size = 23, normalized size = 0.77 \begin {gather*} {\left (\log \left (5 \, x^{2} - 40 \, x + 61\right ) + 2\right )} e^{\left (-e^{\left (-x + 9\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.46, size = 48, normalized size = 1.60 \begin {gather*} {\left (e^{\left (-x - e^{\left (-x + 9\right )} + 9\right )} \log \left (5 \, x^{2} - 40 \, x + 61\right ) + 2 \, e^{\left (-x - e^{\left (-x + 9\right )} + 9\right )}\right )} e^{\left (x - 9\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.38, size = 24, normalized size = 0.80
method | result | size |
risch | \(\left (2+\ln \left (5 x^{2}-40 x +61\right )\right ) {\mathrm e}^{-{\mathrm e}^{9-x}}\) | \(24\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.65, size = 23, normalized size = 0.77 \begin {gather*} {\left (\log \left (5 \, x^{2} - 40 \, x + 61\right ) + 2\right )} e^{\left (-e^{\left (-x + 9\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.17, size = 23, normalized size = 0.77 \begin {gather*} {\mathrm {e}}^{-{\mathrm {e}}^{-x}\,{\mathrm {e}}^9}\,\left (\ln \left (5\,x^2-40\,x+61\right )+2\right ) \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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