Integrand size = 24, antiderivative size = 45 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {8}{3 \sqrt {3} e \sqrt {2-e x}}+\frac {2 \sqrt {2-e x}}{3 \sqrt {3} e} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {641, 45} \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {2 \sqrt {2-e x}}{3 \sqrt {3} e}+\frac {8}{3 \sqrt {3} e \sqrt {2-e x}} \]
[In]
[Out]
Rule 45
Rule 641
Rubi steps \begin{align*} \text {integral}& = \int \frac {2+e x}{(6-3 e x)^{3/2}} \, dx \\ & = \int \left (\frac {4}{(6-3 e x)^{3/2}}-\frac {1}{3 \sqrt {6-3 e x}}\right ) \, dx \\ & = \frac {8}{3 \sqrt {3} e \sqrt {2-e x}}+\frac {2 \sqrt {2-e x}}{3 \sqrt {3} e} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.96 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {2 (-6+e x) \sqrt {4-e^2 x^2}}{3 e (-2+e x) \sqrt {6+3 e x}} \]
[In]
[Out]
Time = 2.28 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.78
method | result | size |
gosper | \(\frac {2 \left (e x -2\right ) \left (e x -6\right ) \left (e x +2\right )^{\frac {3}{2}}}{e \left (-3 x^{2} e^{2}+12\right )^{\frac {3}{2}}}\) | \(35\) |
default | \(\frac {2 \sqrt {-3 x^{2} e^{2}+12}\, \left (e x -6\right )}{9 \sqrt {e x +2}\, \left (e x -2\right ) e}\) | \(37\) |
risch | \(-\frac {2 \left (e x -2\right ) \sqrt {\frac {-3 x^{2} e^{2}+12}{e x +2}}\, \sqrt {e x +2}}{3 e \sqrt {-3 e x +6}\, \sqrt {-3 x^{2} e^{2}+12}}+\frac {8 \sqrt {\frac {-3 x^{2} e^{2}+12}{e x +2}}\, \sqrt {e x +2}}{3 e \sqrt {-3 e x +6}\, \sqrt {-3 x^{2} e^{2}+12}}\) | \(111\) |
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.87 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {2 \, \sqrt {-3 \, e^{2} x^{2} + 12} \sqrt {e x + 2} {\left (e x - 6\right )}}{9 \, {\left (e^{3} x^{2} - 4 \, e\right )}} \]
[In]
[Out]
\[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {\sqrt {3} \left (\int \frac {4 \sqrt {e x + 2}}{- e^{2} x^{2} \sqrt {- e^{2} x^{2} + 4} + 4 \sqrt {- e^{2} x^{2} + 4}}\, dx + \int \frac {4 e x \sqrt {e x + 2}}{- e^{2} x^{2} \sqrt {- e^{2} x^{2} + 4} + 4 \sqrt {- e^{2} x^{2} + 4}}\, dx + \int \frac {e^{2} x^{2} \sqrt {e x + 2}}{- e^{2} x^{2} \sqrt {- e^{2} x^{2} + 4} + 4 \sqrt {- e^{2} x^{2} + 4}}\, dx\right )}{9} \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 0.31 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.44 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {2 i \, \sqrt {3} {\left (e x - 6\right )}}{9 \, \sqrt {e x - 2} e} \]
[In]
[Out]
none
Time = 0.29 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.91 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {2 \, \sqrt {3} \sqrt {-e x + 2}}{9 \, e} - \frac {8 \, \sqrt {3}}{9 \, e} + \frac {8 \, \sqrt {3}}{9 \, \sqrt {-e x + 2} e} \]
[In]
[Out]
Time = 0.19 (sec) , antiderivative size = 52, normalized size of antiderivative = 1.16 \[ \int \frac {(2+e x)^{5/2}}{\left (12-3 e^2 x^2\right )^{3/2}} \, dx=\frac {\left (\frac {4\,\sqrt {e\,x+2}}{3\,e^3}-\frac {2\,x\,\sqrt {e\,x+2}}{9\,e^2}\right )\,\sqrt {12-3\,e^2\,x^2}}{\frac {4}{e^2}-x^2} \]
[In]
[Out]