Integrand size = 24, antiderivative size = 113 \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=-\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (2+e x)^2}-\frac {3 \sqrt {3} \sqrt {2-e x}}{32 e (2+e x)}-\frac {3 \sqrt {3} \text {arctanh}\left (\frac {1}{2} \sqrt {2-e x}\right )}{64 e} \]
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Time = 0.03 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {641, 43, 44, 65, 212} \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=-\frac {3 \sqrt {3} \text {arctanh}\left (\frac {1}{2} \sqrt {2-e x}\right )}{64 e}-\frac {\sqrt {3} (2-e x)^{3/2}}{e (e x+2)^3}-\frac {3 \sqrt {3} \sqrt {2-e x}}{32 e (e x+2)}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (e x+2)^2} \]
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Rule 43
Rule 44
Rule 65
Rule 212
Rule 641
Rubi steps \begin{align*} \text {integral}& = \int \frac {(6-3 e x)^{3/2}}{(2+e x)^4} \, dx \\ & = -\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}-\frac {3}{2} \int \frac {\sqrt {6-3 e x}}{(2+e x)^3} \, dx \\ & = -\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (2+e x)^2}+\frac {9}{8} \int \frac {1}{\sqrt {6-3 e x} (2+e x)^2} \, dx \\ & = -\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (2+e x)^2}-\frac {3 \sqrt {3} \sqrt {2-e x}}{32 e (2+e x)}+\frac {9}{64} \int \frac {1}{\sqrt {6-3 e x} (2+e x)} \, dx \\ & = -\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (2+e x)^2}-\frac {3 \sqrt {3} \sqrt {2-e x}}{32 e (2+e x)}-\frac {3 \text {Subst}\left (\int \frac {1}{4-\frac {x^2}{3}} \, dx,x,\sqrt {6-3 e x}\right )}{32 e} \\ & = -\frac {\sqrt {3} (2-e x)^{3/2}}{e (2+e x)^3}+\frac {3 \sqrt {3} \sqrt {2-e x}}{4 e (2+e x)^2}-\frac {3 \sqrt {3} \sqrt {2-e x}}{32 e (2+e x)}-\frac {3 \sqrt {3} \tanh ^{-1}\left (\frac {1}{2} \sqrt {2-e x}\right )}{64 e} \\ \end{align*}
Time = 0.56 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.71 \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=\frac {\sqrt {3} \left (-\frac {2 \sqrt {4-e^2 x^2} \left (28-44 e x+3 e^2 x^2\right )}{(2+e x)^{7/2}}-3 \text {arctanh}\left (\frac {2 \sqrt {2+e x}}{\sqrt {4-e^2 x^2}}\right )\right )}{64 e} \]
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Time = 2.18 (sec) , antiderivative size = 165, normalized size of antiderivative = 1.46
method | result | size |
default | \(-\frac {\sqrt {-x^{2} e^{2}+4}\, \left (3 \sqrt {3}\, \operatorname {arctanh}\left (\frac {\sqrt {-3 e x +6}\, \sqrt {3}}{6}\right ) e^{3} x^{3}+18 \sqrt {3}\, \operatorname {arctanh}\left (\frac {\sqrt {-3 e x +6}\, \sqrt {3}}{6}\right ) e^{2} x^{2}+6 e^{2} x^{2} \sqrt {-3 e x +6}+36 \sqrt {3}\, \operatorname {arctanh}\left (\frac {\sqrt {-3 e x +6}\, \sqrt {3}}{6}\right ) e x -88 e x \sqrt {-3 e x +6}+24 \sqrt {3}\, \operatorname {arctanh}\left (\frac {\sqrt {-3 e x +6}\, \sqrt {3}}{6}\right )+56 \sqrt {-3 e x +6}\right ) \sqrt {3}}{64 \left (e x +2\right )^{\frac {7}{2}} \sqrt {-3 e x +6}\, e}\) | \(165\) |
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Time = 0.30 (sec) , antiderivative size = 163, normalized size of antiderivative = 1.44 \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=\frac {3 \, \sqrt {3} {\left (e^{4} x^{4} + 8 \, e^{3} x^{3} + 24 \, e^{2} x^{2} + 32 \, e x + 16\right )} \log \left (-\frac {3 \, e^{2} x^{2} - 12 \, e x + 4 \, \sqrt {3} \sqrt {-3 \, e^{2} x^{2} + 12} \sqrt {e x + 2} - 36}{e^{2} x^{2} + 4 \, e x + 4}\right ) - 4 \, {\left (3 \, e^{2} x^{2} - 44 \, e x + 28\right )} \sqrt {-3 \, e^{2} x^{2} + 12} \sqrt {e x + 2}}{128 \, {\left (e^{5} x^{4} + 8 \, e^{4} x^{3} + 24 \, e^{3} x^{2} + 32 \, e^{2} x + 16 \, e\right )}} \]
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Timed out. \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=\int { \frac {{\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {3}{2}}}{{\left (e x + 2\right )}^{\frac {11}{2}}} \,d x } \]
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Time = 0.29 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.74 \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=-\frac {\sqrt {3} {\left (\frac {4 \, {\left (3 \, {\left (e x - 2\right )}^{2} \sqrt {-e x + 2} + 32 \, {\left (-e x + 2\right )}^{\frac {3}{2}} - 48 \, \sqrt {-e x + 2}\right )}}{{\left (e x + 2\right )}^{3}} + 3 \, \log \left (\sqrt {-e x + 2} + 2\right ) - 3 \, \log \left (-\sqrt {-e x + 2} + 2\right )\right )}}{128 \, e} \]
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Timed out. \[ \int \frac {\left (12-3 e^2 x^2\right )^{3/2}}{(2+e x)^{11/2}} \, dx=\int \frac {{\left (12-3\,e^2\,x^2\right )}^{3/2}}{{\left (e\,x+2\right )}^{11/2}} \,d x \]
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