Optimal. Leaf size=27 \[ e^{\frac {\frac {1}{3}+\frac {e^{4 x}}{x}+x-(4+x)^2}{x^2}} \]
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Rubi [A] time = 0.41, antiderivative size = 30, normalized size of antiderivative = 1.11, number of steps used = 2, number of rules used = 2, integrand size = 57, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.035, Rules used = {12, 6706} \begin {gather*} e^{\frac {-3 x^3-21 x^2-47 x+3 e^{4 x}}{3 x^3}} \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 {3 e^{4 x}-47 x-21 x^2-3 x^3}{3 x^3}} \left (94 x+21 x^2+e^{4 x} (-9+12 x)\right )}{x^4} \, dx\\ &=e^{\frac {3 e^{4 x}-47 x-21 x^2-3 x^3}{3 x^3}}\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.34, size = 25, normalized size = 0.93 \begin {gather*} e^{-1+\frac {e^{4 x}}{x^3}-\frac {47}{3 x^2}-\frac {7}{x}} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.60, size = 26, normalized size = 0.96 \begin {gather*} e^{\left (-\frac {3 \, x^{3} + 21 \, x^{2} + 47 \, x - 3 \, e^{\left (4 \, x\right )}}{3 \, x^{3}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.27, size = 21, normalized size = 0.78 \begin {gather*} e^{\left (-\frac {7}{x} - \frac {47}{3 \, x^{2}} + \frac {e^{\left (4 \, x\right )}}{x^{3}} - 1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.20, size = 27, normalized size = 1.00
method | result | size |
risch | \({\mathrm e}^{-\frac {-3 \,{\mathrm e}^{4 x}+3 x^{3}+21 x^{2}+47 x}{3 x^{3}}}\) | \(27\) |
norman | \({\mathrm e}^{\frac {3 \,{\mathrm e}^{4 x}-3 x^{3}-21 x^{2}-47 x}{3 x^{3}}}\) | \(29\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.51, size = 21, normalized size = 0.78 \begin {gather*} e^{\left (-\frac {7}{x} - \frac {47}{3 \, x^{2}} + \frac {e^{\left (4 \, x\right )}}{x^{3}} - 1\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 6.75, size = 24, normalized size = 0.89 \begin {gather*} {\mathrm {e}}^{-1}\,{\mathrm {e}}^{-\frac {7}{x}}\,{\mathrm {e}}^{-\frac {47}{3\,x^2}}\,{\mathrm {e}}^{\frac {{\mathrm {e}}^{4\,x}}{x^3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.25, size = 22, normalized size = 0.81 \begin {gather*} e^{\frac {- x^{3} - 7 x^{2} - \frac {47 x}{3} + e^{4 x}}{x^{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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