Integrand size = 16, antiderivative size = 92 \[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\frac {\left (3+\sqrt {6} x^2\right ) \sqrt {\frac {3+2 x^2+2 x^4}{\left (3+\sqrt {6} x^2\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\sqrt [4]{\frac {2}{3}} x\right ),\frac {1}{12} \left (6-\sqrt {6}\right )\right )}{2 \sqrt [4]{6} \sqrt {3+2 x^2+2 x^4}} \]
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Time = 0.01 (sec) , antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {1117} \[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\frac {\left (\sqrt {6} x^2+3\right ) \sqrt {\frac {2 x^4+2 x^2+3}{\left (\sqrt {6} x^2+3\right )^2}} \operatorname {EllipticF}\left (2 \arctan \left (\sqrt [4]{\frac {2}{3}} x\right ),\frac {1}{12} \left (6-\sqrt {6}\right )\right )}{2 \sqrt [4]{6} \sqrt {2 x^4+2 x^2+3}} \]
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Rule 1117
Rubi steps \begin{align*} \text {integral}& = \frac {\left (3+\sqrt {6} x^2\right ) \sqrt {\frac {3+2 x^2+2 x^4}{\left (3+\sqrt {6} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac {2}{3}} x\right )|\frac {1}{12} \left (6-\sqrt {6}\right )\right )}{2 \sqrt [4]{6} \sqrt {3+2 x^2+2 x^4}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 10.06 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.57 \[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=-\frac {i \sqrt {1-\frac {2 x^2}{-1-i \sqrt {5}}} \sqrt {1-\frac {2 x^2}{-1+i \sqrt {5}}} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {-\frac {2}{-1-i \sqrt {5}}} x\right ),\frac {-1-i \sqrt {5}}{-1+i \sqrt {5}}\right )}{\sqrt {2} \sqrt {-\frac {1}{-1-i \sqrt {5}}} \sqrt {3+2 x^2+2 x^4}} \]
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Result contains complex when optimal does not.
Time = 0.63 (sec) , antiderivative size = 87, normalized size of antiderivative = 0.95
method | result | size |
default | \(\frac {3 \sqrt {1-\left (-\frac {1}{3}+\frac {i \sqrt {5}}{3}\right ) x^{2}}\, \sqrt {1-\left (-\frac {1}{3}-\frac {i \sqrt {5}}{3}\right ) x^{2}}\, F\left (\frac {x \sqrt {-3+3 i \sqrt {5}}}{3}, \frac {\sqrt {-6+3 i \sqrt {5}}}{3}\right )}{\sqrt {-3+3 i \sqrt {5}}\, \sqrt {2 x^{4}+2 x^{2}+3}}\) | \(87\) |
elliptic | \(\frac {3 \sqrt {1-\left (-\frac {1}{3}+\frac {i \sqrt {5}}{3}\right ) x^{2}}\, \sqrt {1-\left (-\frac {1}{3}-\frac {i \sqrt {5}}{3}\right ) x^{2}}\, F\left (\frac {x \sqrt {-3+3 i \sqrt {5}}}{3}, \frac {\sqrt {-6+3 i \sqrt {5}}}{3}\right )}{\sqrt {-3+3 i \sqrt {5}}\, \sqrt {2 x^{4}+2 x^{2}+3}}\) | \(87\) |
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none
Time = 0.08 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.39 \[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=-\frac {1}{6} \, {\left (\sqrt {-5} + 1\right )} \sqrt {\sqrt {-5} - 1} F(\arcsin \left (\frac {1}{3} \, \sqrt {3} x \sqrt {\sqrt {-5} - 1}\right )\,|\,\frac {1}{3} \, \sqrt {-5} - \frac {2}{3}) \]
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\[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\int \frac {1}{\sqrt {2 x^{4} + 2 x^{2} + 3}}\, dx \]
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\[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\int { \frac {1}{\sqrt {2 \, x^{4} + 2 \, x^{2} + 3}} \,d x } \]
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\[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\int { \frac {1}{\sqrt {2 \, x^{4} + 2 \, x^{2} + 3}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {3+2 x^2+2 x^4}} \, dx=\int \frac {1}{\sqrt {2\,x^4+2\,x^2+3}} \,d x \]
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