Optimal. Leaf size=38 \[ e^{4-e^x+x^2 \left (\frac {1}{2} \left (-1-\frac {4}{x}\right )+\frac {x}{e^x-x}\right ) \log (x)} \]
________________________________________________________________________________________
Rubi [F] time = 31.86, 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 (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 e^x-2 x}\right ) \left (-2 e^{3 x}-4 x^2-3 x^3+e^{2 x} (-4+3 x)+e^x \left (8 x+2 x^2\right )+\left (e^{2 x} (-4-2 x)-4 x^2-6 x^3+e^x \left (8 x+10 x^2-2 x^3\right )\right ) \log (x)\right )}{2 e^{2 x}-4 e^x x+2 x^2} \, dx \end {gather*}
Verification is not applicable to the result.
[In]
[Out]
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {\exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \left (-2 e^{3 x}-4 x^2-3 x^3+e^{2 x} (-4+3 x)+e^x \left (8 x+2 x^2\right )+\left (e^{2 x} (-4-2 x)-4 x^2-6 x^3+e^x \left (8 x+10 x^2-2 x^3\right )\right ) \log (x)\right )}{2 \left (e^x-x\right )^2} \, dx\\ &=\frac {1}{2} \int \frac {\exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \left (-2 e^{3 x}-4 x^2-3 x^3+e^{2 x} (-4+3 x)+e^x \left (8 x+2 x^2\right )+\left (e^{2 x} (-4-2 x)-4 x^2-6 x^3+e^x \left (8 x+10 x^2-2 x^3\right )\right ) \log (x)\right )}{\left (e^x-x\right )^2} \, dx\\ &=\frac {1}{2} \int \left (-4 \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right )-2 \exp \left (x+\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right )-\exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x-4 \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \log (x)-2 \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x \log (x)-\frac {2 \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) (-1+x) x^3 \log (x)}{\left (e^x-x\right )^2}-\frac {2 \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x^2 (-1-3 \log (x)+x \log (x))}{e^x-x}\right ) \, dx\\ &=-\left (\frac {1}{2} \int \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x \, dx\right )-2 \int \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \, dx-2 \int \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \log (x) \, dx-\int \exp \left (x+\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) \, dx-\int \exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x \log (x) \, dx-\int \frac {\exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) (-1+x) x^3 \log (x)}{\left (e^x-x\right )^2} \, dx-\int \frac {\exp \left (\frac {-2 e^{2 x}-8 x+e^x (8+2 x)+\left (4 x^2+3 x^3+e^x \left (-4 x-x^2\right )\right ) \log (x)}{2 \left (e^x-x\right )}\right ) x^2 (-1-3 \log (x)+x \log (x))}{e^x-x} \, dx\\ &=-\left (\frac {1}{2} \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx\right )-2 \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+2 \int \frac {\int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx-\log (x) \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\log (x) \int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-\log (x) \int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-(2 \log (x)) \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx-\int e^{4-e^x+x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx-\int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} (-1+(-3+x) \log (x))}{e^x-x} \, dx+\int \frac {\int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx+\int \frac {-\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx+\int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x} \, dx\\ &=-\left (\frac {1}{2} \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx\right )-2 \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+2 \int \frac {\int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx-\log (x) \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\log (x) \int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-\log (x) \int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-(2 \log (x)) \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx-\int e^{4-e^x+x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx-\int \left (-\frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x}-\frac {3 e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \log (x)}{e^x-x}+\frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \log (x)}{e^x-x}\right ) \, dx+\int \frac {\int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx+\int \left (-\frac {\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x}+\frac {\int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x}\right ) \, dx\\ &=-\left (\frac {1}{2} \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx\right )-2 \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+2 \int \frac {\int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx+3 \int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \log (x)}{e^x-x} \, dx-\log (x) \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\log (x) \int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-\log (x) \int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-(2 \log (x)) \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx-\int e^{4-e^x+x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx-\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \log (x)}{e^x-x} \, dx+\int \frac {\int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx-\int \frac {\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x} \, dx+\int \frac {\int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x} \, dx\\ &=-\left (\frac {1}{2} \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx\right )-2 \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+2 \int \frac {\int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx-3 \int \frac {\int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx}{x} \, dx-\log (x) \int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\log (x) \int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-\log (x) \int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx-\log (x) \int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx-(2 \log (x)) \int e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+(3 \log (x)) \int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx-\int e^{4-e^x+x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx+\int \frac {e^{4-e^x} x^{2+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx+\int \frac {\int e^{4-e^x} x^{1+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \, dx}{x} \, dx-\int \frac {\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x} \, dx+\int \frac {\int \frac {e^{4-e^x} x^{3+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{e^x-x} \, dx}{x} \, dx+\int \frac {\int \frac {e^{4-e^x} x^{4+\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}}}{\left (e^x-x\right )^2} \, dx}{x} \, dx\\ \end {aligned} \end {gather*}
________________________________________________________________________________________
Mathematica [A] time = 0.25, size = 42, normalized size = 1.11 \begin {gather*} e^{4-e^x} x^{\frac {x \left (-e^x (4+x)+x (4+3 x)\right )}{2 \left (e^x-x\right )}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.82, size = 53, normalized size = 1.39 \begin {gather*} e^{\left (-\frac {2 \, {\left (x + 4\right )} e^{x} + {\left (3 \, x^{3} + 4 \, x^{2} - {\left (x^{2} + 4 \, x\right )} e^{x}\right )} \log \relax (x) - 8 \, x - 2 \, e^{\left (2 \, x\right )}}{2 \, {\left (x - e^{x}\right )}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 0.68, size = 60, normalized size = 1.58 \begin {gather*} e^{\left (-\frac {3 \, x^{3} \log \relax (x) - x^{2} e^{x} \log \relax (x) + 4 \, x^{2} \log \relax (x) - 4 \, x e^{x} \log \relax (x) + 2 \, x e^{x} - 8 \, x - 2 \, e^{\left (2 \, x\right )} + 8 \, e^{x}}{2 \, {\left (x - e^{x}\right )}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.06, size = 60, normalized size = 1.58
method | result | size |
risch | \({\mathrm e}^{-\frac {x^{2} {\mathrm e}^{x} \ln \relax (x )-3 x^{3} \ln \relax (x )+4 x \,{\mathrm e}^{x} \ln \relax (x )-4 x^{2} \ln \relax (x )-2 \,{\mathrm e}^{x} x +2 \,{\mathrm e}^{2 x}-8 \,{\mathrm e}^{x}+8 x}{2 \left ({\mathrm e}^{x}-x \right )}}\) | \(60\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 0.74, size = 50, normalized size = 1.32 \begin {gather*} e^{\left (-\frac {3}{2} \, x^{2} \log \relax (x) - x e^{x} \log \relax (x) - 2 \, x \log \relax (x) - e^{\left (2 \, x\right )} \log \relax (x) - \frac {e^{\left (3 \, x\right )} \log \relax (x)}{x - e^{x}} - e^{x} + 4\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 2.44, size = 98, normalized size = 2.58 \begin {gather*} x^{\frac {x^2\,{\mathrm {e}}^x+4\,x\,{\mathrm {e}}^x-4\,x^2-3\,x^3}{2\,\left (x-{\mathrm {e}}^x\right )}}\,{\mathrm {e}}^{\frac {8\,x}{2\,x-2\,{\mathrm {e}}^x}}\,{\mathrm {e}}^{-\frac {8\,{\mathrm {e}}^x}{2\,x-2\,{\mathrm {e}}^x}}\,{\mathrm {e}}^{\frac {2\,{\mathrm {e}}^{2\,x}}{2\,x-2\,{\mathrm {e}}^x}}\,{\mathrm {e}}^{-\frac {2\,x\,{\mathrm {e}}^x}{2\,x-2\,{\mathrm {e}}^x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [B] time = 1.23, size = 53, normalized size = 1.39 \begin {gather*} e^{\frac {- 8 x + \left (2 x + 8\right ) e^{x} + \left (3 x^{3} + 4 x^{2} + \left (- x^{2} - 4 x\right ) e^{x}\right ) \log {\relax (x )} - 2 e^{2 x}}{- 2 x + 2 e^{x}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________