Optimal. Leaf size=20 \[ -5+e^{\frac {1}{80} e^{6-\frac {6}{x}+2 x}} \]
________________________________________________________________________________________
Rubi [F] time = 0.59, 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 \frac {\exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right ) \left (3+x^2\right )}{40 x^2} \, dx \end {gather*}
Verification is not applicable to the result.
[In]
[Out]
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\frac {1}{40} \int \frac {\exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right ) \left (3+x^2\right )}{x^2} \, dx\\ &=\frac {1}{40} \int \left (\exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right )+\frac {3 \exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right )}{x^2}\right ) \, dx\\ &=\frac {1}{40} \int \exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right ) \, dx+\frac {3}{40} \int \frac {\exp \left (6+\frac {1}{80} e^{6-\frac {2 \left (3-x^2\right )}{x}}-\frac {2 \left (3-x^2\right )}{x}\right )}{x^2} \, dx\\ \end {aligned} \end {gather*}
________________________________________________________________________________________
Mathematica [A] time = 0.16, size = 18, normalized size = 0.90 \begin {gather*} e^{\frac {1}{80} e^{6-\frac {6}{x}+2 x}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [B] time = 0.96, size = 46, normalized size = 2.30 \begin {gather*} e^{\left (\frac {160 \, x^{2} + x e^{\left (\frac {2 \, {\left (x^{2} + 3 \, x - 3\right )}}{x}\right )} + 480 \, x - 480}{80 \, x} - \frac {2 \, {\left (x^{2} + 3 \, x - 3\right )}}{x}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {{\left (x^{2} + 3\right )} e^{\left (\frac {2 \, {\left (x^{2} - 3\right )}}{x} + \frac {1}{80} \, e^{\left (\frac {2 \, {\left (x^{2} - 3\right )}}{x} + 6\right )} + 6\right )}}{40 \, x^{2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.17, size = 18, normalized size = 0.90
method | result | size |
risch | \({\mathrm e}^{\frac {{\mathrm e}^{\frac {2 x^{2}+6 x -6}{x}}}{80}}\) | \(18\) |
norman | \({\mathrm e}^{\frac {{\mathrm e}^{6} {\mathrm e}^{-\frac {2 \left (-x^{2}+3\right )}{x}}}{80}}\) | \(22\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 0.54, size = 14, normalized size = 0.70 \begin {gather*} e^{\left (\frac {1}{80} \, e^{\left (2 \, x - \frac {6}{x} + 6\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 0.44, size = 15, normalized size = 0.75 \begin {gather*} {\mathrm {e}}^{\frac {{\mathrm {e}}^{2\,x}\,{\mathrm {e}}^6\,{\mathrm {e}}^{-\frac {6}{x}}}{80}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [A] time = 0.38, size = 15, normalized size = 0.75 \begin {gather*} e^{\frac {e^{6} e^{- \frac {2 \left (3 - x^{2}\right )}{x}}}{80}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________