Integrand size = 24, antiderivative size = 309 \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {3 \sqrt [4]{3} \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e}-\frac {3 \sqrt [4]{3} \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e}+\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {6-3 e x}-\sqrt {6} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {3} \sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e}-\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {6-3 e x}+\sqrt {6} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {3} \sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e} \]
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Time = 0.22 (sec) , antiderivative size = 309, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.417, Rules used = {689, 52, 65, 246, 217, 1179, 642, 1176, 631, 210} \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\frac {3 \sqrt [4]{3} \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{e x+2}}\right )}{\sqrt {2} e}-\frac {3 \sqrt [4]{3} \arctan \left (\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{e x+2}}+1\right )}{\sqrt {2} e}-\frac {\sqrt [4]{3} (e x+2)^{3/4} (2-e x)^{5/4}}{2 e}+\frac {3 \sqrt [4]{3} (e x+2)^{3/4} \sqrt [4]{2-e x}}{2 e}+\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {6-3 e x}+\sqrt {3} \sqrt {e x+2}-\sqrt {6} \sqrt [4]{2-e x} \sqrt [4]{e x+2}}{\sqrt {e x+2}}\right )}{2 \sqrt {2} e}-\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {6-3 e x}+\sqrt {3} \sqrt {e x+2}+\sqrt {6} \sqrt [4]{2-e x} \sqrt [4]{e x+2}}{\sqrt {e x+2}}\right )}{2 \sqrt {2} e} \]
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Rule 52
Rule 65
Rule 210
Rule 217
Rule 246
Rule 631
Rule 642
Rule 689
Rule 1176
Rule 1179
Rubi steps \begin{align*} \text {integral}& = \int \sqrt [4]{6-3 e x} (2+e x)^{3/4} \, dx \\ & = -\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {3}{2} \int \frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}} \, dx \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {9}{2} \int \frac {1}{(6-3 e x)^{3/4} \sqrt [4]{2+e x}} \, dx \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}-\frac {6 \text {Subst}\left (\int \frac {1}{\sqrt [4]{4-\frac {x^4}{3}}} \, dx,x,\sqrt [4]{6-3 e x}\right )}{e} \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}-\frac {6 \text {Subst}\left (\int \frac {1}{1+\frac {x^4}{3}} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{e} \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}-\frac {\sqrt {3} \text {Subst}\left (\int \frac {\sqrt {3}-x^2}{1+\frac {x^4}{3}} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{e}-\frac {\sqrt {3} \text {Subst}\left (\int \frac {\sqrt {3}+x^2}{1+\frac {x^4}{3}} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{e} \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {\left (3 \sqrt [4]{3}\right ) \text {Subst}\left (\int \frac {\sqrt {2} \sqrt [4]{3}+2 x}{-\sqrt {3}-\sqrt {2} \sqrt [4]{3} x-x^2} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{2 \sqrt {2} e}+\frac {\left (3 \sqrt [4]{3}\right ) \text {Subst}\left (\int \frac {\sqrt {2} \sqrt [4]{3}-2 x}{-\sqrt {3}+\sqrt {2} \sqrt [4]{3} x-x^2} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{2 \sqrt {2} e}-\frac {\left (3 \sqrt {3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {3}-\sqrt {2} \sqrt [4]{3} x+x^2} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{2 e}-\frac {\left (3 \sqrt {3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {3}+\sqrt {2} \sqrt [4]{3} x+x^2} \, dx,x,\frac {\sqrt [4]{6-3 e x}}{\sqrt [4]{2+e x}}\right )}{2 e} \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {2-e x}-\sqrt {2} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e}-\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {2-e x}+\sqrt {2} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e}-\frac {\left (3 \sqrt [4]{3}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e}+\frac {\left (3 \sqrt [4]{3}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e} \\ & = \frac {3 \sqrt [4]{3} \sqrt [4]{2-e x} (2+e x)^{3/4}}{2 e}-\frac {\sqrt [4]{3} (2-e x)^{5/4} (2+e x)^{3/4}}{2 e}+\frac {3 \sqrt [4]{3} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e}-\frac {3 \sqrt [4]{3} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{2-e x}}{\sqrt [4]{2+e x}}\right )}{\sqrt {2} e}+\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {2-e x}-\sqrt {2} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e}-\frac {3 \sqrt [4]{3} \log \left (\frac {\sqrt {2-e x}+\sqrt {2} \sqrt [4]{2-e x} \sqrt [4]{2+e x}+\sqrt {2+e x}}{\sqrt {2+e x}}\right )}{2 \sqrt {2} e} \\ \end{align*}
Time = 0.91 (sec) , antiderivative size = 150, normalized size of antiderivative = 0.49 \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\frac {\sqrt [4]{3} \left ((1+e x) \sqrt {2+e x} \sqrt [4]{4-e^2 x^2}-3 \sqrt {2} \arctan \left (\frac {\sqrt {4+2 e x} \sqrt [4]{4-e^2 x^2}}{2+e x-\sqrt {4-e^2 x^2}}\right )-3 \sqrt {2} \text {arctanh}\left (\frac {2+e x+\sqrt {4-e^2 x^2}}{\sqrt {4+2 e x} \sqrt [4]{4-e^2 x^2}}\right )\right )}{2 e} \]
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\[\int \sqrt {e x +2}\, \left (-3 x^{2} e^{2}+12\right )^{\frac {1}{4}}d x\]
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Result contains complex when optimal does not.
Time = 0.31 (sec) , antiderivative size = 292, normalized size of antiderivative = 0.94 \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=-\frac {3 \cdot 3^{\frac {1}{4}} e \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} \log \left (\frac {3^{\frac {1}{4}} {\left (e^{2} x + 2 \, e\right )} \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} + {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2}}{e x + 2}\right ) - 3 \cdot 3^{\frac {1}{4}} e \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} \log \left (-\frac {3^{\frac {1}{4}} {\left (e^{2} x + 2 \, e\right )} \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} - {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2}}{e x + 2}\right ) - 3 i \cdot 3^{\frac {1}{4}} e \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} \log \left (-\frac {3^{\frac {1}{4}} {\left (i \, e^{2} x + 2 i \, e\right )} \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} - {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2}}{e x + 2}\right ) + 3 i \cdot 3^{\frac {1}{4}} e \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} \log \left (-\frac {3^{\frac {1}{4}} {\left (-i \, e^{2} x - 2 i \, e\right )} \left (-\frac {1}{e^{4}}\right )^{\frac {1}{4}} - {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2}}{e x + 2}\right ) - {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2} {\left (e x + 1\right )}}{2 \, e} \]
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\[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\sqrt [4]{3} \int \sqrt {e x + 2} \sqrt [4]{- e^{2} x^{2} + 4}\, dx \]
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\[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\int { {\left (-3 \, e^{2} x^{2} + 12\right )}^{\frac {1}{4}} \sqrt {e x + 2} \,d x } \]
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Exception generated. \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \sqrt {2+e x} \sqrt [4]{12-3 e^2 x^2} \, dx=\int {\left (12-3\,e^2\,x^2\right )}^{1/4}\,\sqrt {e\,x+2} \,d x \]
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