Optimal. Leaf size=24 \[ e^{x-x^2+x^4+\left (3-e^x+3 x\right )^2} \]
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Rubi [F] time = 1.74, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) \left (19+2 e^{2 x}+e^x (-12-6 x)+16 x+4 x^3\right ) \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (19 \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right )+2 \exp \left (9+e^{2 x}+e^x (-6-6 x)+21 x+8 x^2+x^4\right )+16 \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x+4 \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x^3-6 \exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right ) (2+x)\right ) \, dx\\ &=2 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+21 x+8 x^2+x^4\right ) \, dx+4 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x^3 \, dx-6 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right ) (2+x) \, dx+16 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x \, dx+19 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) \, dx\\ &=2 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+21 x+8 x^2+x^4\right ) \, dx+4 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x^3 \, dx-6 \int \left (2 \exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right )+\exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right ) x\right ) \, dx+16 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x \, dx+19 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) \, dx\\ &=2 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+21 x+8 x^2+x^4\right ) \, dx+4 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x^3 \, dx-6 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right ) x \, dx-12 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+20 x+8 x^2+x^4\right ) \, dx+16 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) x \, dx+19 \int \exp \left (9+e^{2 x}+e^x (-6-6 x)+19 x+8 x^2+x^4\right ) \, dx\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.77, size = 28, normalized size = 1.17 \begin {gather*} e^{9+e^{2 x}+19 x+8 x^2+x^4-6 e^x (1+x)} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 1.16, size = 25, normalized size = 1.04 \begin {gather*} e^{\left (x^{4} + 8 \, x^{2} - 6 \, {\left (x + 1\right )} e^{x} + 19 \, x + e^{\left (2 \, x\right )} + 9\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.47, size = 27, normalized size = 1.12 \begin {gather*} e^{\left (x^{4} + 8 \, x^{2} - 6 \, x e^{x} + 19 \, x + e^{\left (2 \, x\right )} - 6 \, e^{x} + 9\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 27, normalized size = 1.12
method | result | size |
norman | \({\mathrm e}^{{\mathrm e}^{2 x}+\left (-6 x -6\right ) {\mathrm e}^{x}+x^{4}+8 x^{2}+19 x +9}\) | \(27\) |
risch | \({\mathrm e}^{x^{4}-6 \,{\mathrm e}^{x} x +8 x^{2}-6 \,{\mathrm e}^{x}+{\mathrm e}^{2 x}+19 x +9}\) | \(28\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.60, size = 27, normalized size = 1.12 \begin {gather*} e^{\left (x^{4} + 8 \, x^{2} - 6 \, x e^{x} + 19 \, x + e^{\left (2 \, x\right )} - 6 \, e^{x} + 9\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.72, size = 33, normalized size = 1.38 \begin {gather*} {\mathrm {e}}^{-6\,x\,{\mathrm {e}}^x}\,{\mathrm {e}}^{19\,x}\,{\mathrm {e}}^{x^4}\,{\mathrm {e}}^9\,{\mathrm {e}}^{8\,x^2}\,{\mathrm {e}}^{{\mathrm {e}}^{2\,x}}\,{\mathrm {e}}^{-6\,{\mathrm {e}}^x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.23, size = 29, normalized size = 1.21 \begin {gather*} e^{x^{4} + 8 x^{2} + 19 x + \left (- 6 x - 6\right ) e^{x} + e^{2 x} + 9} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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