Optimal. Leaf size=19 \[ e^{\frac {(-53-2 x)^2}{x^2}+\frac {x}{3}} \]
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Rubi [A] time = 0.17, antiderivative size = 22, normalized size of antiderivative = 1.16, number of steps used = 2, number of rules used = 2, integrand size = 37, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.054, Rules used = {12, 6706} \begin {gather*} e^{\frac {x^3+12 x^2+636 x+8427}{3 x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 6706
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\frac {1}{3} \int \frac {e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}} \left (-16854-636 x+x^3\right )}{x^3} \, dx\\ &=e^{\frac {8427+636 x+12 x^2+x^3}{3 x^2}}\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.07, size = 19, normalized size = 1.00 \begin {gather*} e^{4+\frac {2809}{x^2}+\frac {212}{x}+\frac {x}{3}} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.84, size = 19, normalized size = 1.00 \begin {gather*} e^{\left (\frac {x^{3} + 12 \, x^{2} + 636 \, x + 8427}{3 \, x^{2}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.27, size = 16, normalized size = 0.84 \begin {gather*} e^{\left (\frac {1}{3} \, x + \frac {212}{x} + \frac {2809}{x^{2}} + 4\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.17, size = 20, normalized size = 1.05
method | result | size |
gosper | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
norman | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
risch | \({\mathrm e}^{\frac {x^{3}+12 x^{2}+636 x +8427}{3 x^{2}}}\) | \(20\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.51, size = 16, normalized size = 0.84 \begin {gather*} e^{\left (\frac {1}{3} \, x + \frac {212}{x} + \frac {2809}{x^{2}} + 4\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 3.38, size = 19, normalized size = 1.00 \begin {gather*} {\mathrm {e}}^{x/3}\,{\mathrm {e}}^4\,{\mathrm {e}}^{212/x}\,{\mathrm {e}}^{\frac {2809}{x^2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.13, size = 19, normalized size = 1.00 \begin {gather*} e^{\frac {\frac {x^{3}}{3} + 4 x^{2} + 212 x + 2809}{x^{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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