Integrand size = 16, antiderivative size = 42 \[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=-\frac {\operatorname {EllipticF}\left (\arccos \left (\sqrt {\frac {3}{3+\sqrt {3}}} x\right ),\frac {1}{2} \left (1+\sqrt {3}\right )\right )}{\sqrt {2} \sqrt [4]{3}} \]
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Time = 0.04 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {1109, 431} \[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=-\frac {\operatorname {EllipticF}\left (\arccos \left (\sqrt {\frac {3}{3+\sqrt {3}}} x\right ),\frac {1}{2} \left (1+\sqrt {3}\right )\right )}{\sqrt {2} \sqrt [4]{3}} \]
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Rule 431
Rule 1109
Rubi steps \begin{align*} \text {integral}& = \left (2 \sqrt {3}\right ) \int \frac {1}{\sqrt {6+2 \sqrt {3}-6 x^2} \sqrt {-6+2 \sqrt {3}+6 x^2}} \, dx \\ & = -\frac {F\left (\cos ^{-1}\left (\sqrt {\frac {3}{3+\sqrt {3}}} x\right )|\frac {1}{2} \left (1+\sqrt {3}\right )\right )}{\sqrt {2} \sqrt [4]{3}} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(85\) vs. \(2(42)=84\).
Time = 10.06 (sec) , antiderivative size = 85, normalized size of antiderivative = 2.02 \[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\frac {\sqrt {3-\sqrt {3}-3 x^2} \sqrt {2+\left (-3+\sqrt {3}\right ) x^2} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {1}{2} \left (3+\sqrt {3}\right )} x\right ),2-\sqrt {3}\right )}{\sqrt {6} \sqrt {-2+6 x^2-3 x^4}} \]
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Time = 0.61 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.95
method | result | size |
default | \(\frac {2 \sqrt {1-\left (\frac {3}{2}-\frac {\sqrt {3}}{2}\right ) x^{2}}\, \sqrt {1-\left (\frac {\sqrt {3}}{2}+\frac {3}{2}\right ) x^{2}}\, F\left (\frac {\sqrt {6-2 \sqrt {3}}\, x}{2}, \frac {\sqrt {6}}{2}+\frac {\sqrt {2}}{2}\right )}{\sqrt {6-2 \sqrt {3}}\, \sqrt {-3 x^{4}+6 x^{2}-2}}\) | \(82\) |
elliptic | \(\frac {2 \sqrt {1-\left (\frac {3}{2}-\frac {\sqrt {3}}{2}\right ) x^{2}}\, \sqrt {1-\left (\frac {\sqrt {3}}{2}+\frac {3}{2}\right ) x^{2}}\, F\left (\frac {\sqrt {6-2 \sqrt {3}}\, x}{2}, \frac {\sqrt {6}}{2}+\frac {\sqrt {2}}{2}\right )}{\sqrt {6-2 \sqrt {3}}\, \sqrt {-3 x^{4}+6 x^{2}-2}}\) | \(82\) |
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none
Time = 0.08 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.19 \[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\frac {1}{12} \, {\left (\sqrt {3} \sqrt {2} \sqrt {-2} - 3 \, \sqrt {2} \sqrt {-2}\right )} \sqrt {\sqrt {3} + 3} F(\arcsin \left (\frac {1}{2} \, \sqrt {2} x \sqrt {\sqrt {3} + 3}\right )\,|\,-\sqrt {3} + 2) \]
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\[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\int \frac {1}{\sqrt {- 3 x^{4} + 6 x^{2} - 2}}\, dx \]
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\[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\int { \frac {1}{\sqrt {-3 \, x^{4} + 6 \, x^{2} - 2}} \,d x } \]
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\[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\int { \frac {1}{\sqrt {-3 \, x^{4} + 6 \, x^{2} - 2}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {-2+6 x^2-3 x^4}} \, dx=\int \frac {1}{\sqrt {-3\,x^4+6\,x^2-2}} \,d x \]
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