Integrand size = 63, antiderivative size = 21 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=e^2 \left (x+\frac {e x}{3-x}+\log (\log (3+x))\right ) \]
[Out]
Time = 0.27 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.29, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {1607, 6820, 12, 2437, 2339, 29} \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=e^2 x+\frac {3 e^3}{3-x}+e^2 \log (\log (x+3)) \]
[In]
[Out]
Rule 12
Rule 29
Rule 1607
Rule 2339
Rule 2437
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{x \left (-9+x^2\right ) \log (3+x)} \, dx \\ & = \int e^2 \left (1+\frac {3 e}{(-3+x)^2}+\frac {1}{(3+x) \log (3+x)}\right ) \, dx \\ & = e^2 \int \left (1+\frac {3 e}{(-3+x)^2}+\frac {1}{(3+x) \log (3+x)}\right ) \, dx \\ & = \frac {3 e^3}{3-x}+e^2 x+e^2 \int \frac {1}{(3+x) \log (3+x)} \, dx \\ & = \frac {3 e^3}{3-x}+e^2 x+e^2 \text {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,3+x\right ) \\ & = \frac {3 e^3}{3-x}+e^2 x+e^2 \text {Subst}\left (\int \frac {1}{x} \, dx,x,\log (3+x)\right ) \\ & = \frac {3 e^3}{3-x}+e^2 x+e^2 \log (\log (3+x)) \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=e^2 \left (-\frac {3 e}{-3+x}+x+\log (\log (3+x))\right ) \]
[In]
[Out]
Time = 3.23 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.38
method | result | size |
default | \({\mathrm e}^{2} \ln \left (\ln \left (3+x \right )\right )+{\mathrm e}^{2} {\mathrm e}^{\ln \left (-\frac {x}{-3+x}\right )+1}+{\mathrm e}^{2} x\) | \(29\) |
parts | \({\mathrm e}^{2} \ln \left (\ln \left (3+x \right )\right )+{\mathrm e}^{2} {\mathrm e}^{\ln \left (-\frac {x}{-3+x}\right )+1}+{\mathrm e}^{2} x\) | \(29\) |
norman | \(\frac {x^{2} {\mathrm e}^{2}-9 \,{\mathrm e}^{2}-3 \,{\mathrm e} \,{\mathrm e}^{2}}{-3+x}+{\mathrm e}^{2} \ln \left (\ln \left (3+x \right )\right )\) | \(33\) |
parallelrisch | \(\frac {{\mathrm e}^{2} \ln \left (\ln \left (3+x \right )\right ) x^{2}+x^{3} {\mathrm e}^{2}+3 \,{\mathrm e}^{\ln \left (-\frac {x}{-3+x}\right )+1} x \,{\mathrm e}^{2}}{x^{2}}\) | \(40\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.52 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=\frac {{\left (x - 3\right )} e^{2} \log \left (\log \left (x + 3\right )\right ) + {\left (x^{2} - 3 \, x\right )} e^{2} - 3 \, e^{3}}{x - 3} \]
[In]
[Out]
Time = 0.11 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=x e^{2} + e^{2} \log {\left (\log {\left (x + 3 \right )} \right )} - \frac {3 e^{3}}{x - 3} \]
[In]
[Out]
none
Time = 0.23 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.48 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=e^{2} \log \left (\log \left (x + 3\right )\right ) + \frac {x^{2} e^{2} - 3 \, x e^{2} - 3 \, e^{3}}{x - 3} \]
[In]
[Out]
none
Time = 0.26 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.90 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx=\frac {x^{2} e^{2} + x e^{2} \log \left (\log \left (x + 3\right )\right ) - 3 \, x e^{2} - 3 \, e^{2} \log \left (\log \left (x + 3\right )\right ) - 3 \, e^{3}}{x - 3} \]
[In]
[Out]
Time = 9.44 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^2 \left (-3 x+x^2\right )-\frac {e^3 (-9-3 x) x \log (3+x)}{-3+x}+e^2 \left (-9 x+x^3\right ) \log (3+x)}{\left (-9 x+x^3\right ) \log (3+x)} \, dx={\mathrm {e}}^2\,\left (x+\ln \left (\ln \left (x+3\right )\right )\right )-\frac {3\,{\mathrm {e}}^3}{x-3} \]
[In]
[Out]