Integrand size = 14, antiderivative size = 63 \[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\frac {\sqrt {1+x^2} \sqrt {-2+3 x^2} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {5} x}{\sqrt {-2+3 x^2}}\right ),\frac {3}{5}\right )}{\sqrt {5} \sqrt {-2+x^2+3 x^4}} \]
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Time = 0.01 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {1111} \[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\frac {\sqrt {x^2+1} \sqrt {3 x^2-2} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {5} x}{\sqrt {3 x^2-2}}\right ),\frac {3}{5}\right )}{\sqrt {5} \sqrt {3 x^4+x^2-2}} \]
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Rule 1111
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {1+x^2} \sqrt {-2+3 x^2} F\left (\sin ^{-1}\left (\frac {\sqrt {5} x}{\sqrt {-2+3 x^2}}\right )|\frac {3}{5}\right )}{\sqrt {5} \sqrt {-2+x^2+3 x^4}} \\ \end{align*}
Time = 10.03 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.76 \[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\frac {\sqrt {\left (\frac {2}{3}-x^2\right ) \left (1+x^2\right )} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{2}} x\right ),-\frac {2}{3}\right )}{\sqrt {-2+x^2+3 x^4}} \]
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Result contains complex when optimal does not.
Time = 0.52 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.68
method | result | size |
default | \(-\frac {i \sqrt {x^{2}+1}\, \sqrt {-6 x^{2}+4}\, F\left (i x , \frac {i \sqrt {6}}{2}\right )}{2 \sqrt {3 x^{4}+x^{2}-2}}\) | \(43\) |
elliptic | \(-\frac {i \sqrt {x^{2}+1}\, \sqrt {-6 x^{2}+4}\, F\left (i x , \frac {i \sqrt {6}}{2}\right )}{2 \sqrt {3 x^{4}+x^{2}-2}}\) | \(43\) |
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none
Time = 0.07 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.37 \[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=-\frac {1}{6} \, \sqrt {3} \sqrt {2} \sqrt {-2} F(\arcsin \left (\frac {1}{2} \, \sqrt {3} \sqrt {2} x\right )\,|\,-\frac {2}{3}) \]
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\[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\int \frac {1}{\sqrt {3 x^{4} + x^{2} - 2}}\, dx \]
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\[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\int { \frac {1}{\sqrt {3 \, x^{4} + x^{2} - 2}} \,d x } \]
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\[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\int { \frac {1}{\sqrt {3 \, x^{4} + x^{2} - 2}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {-2+x^2+3 x^4}} \, dx=\int \frac {1}{\sqrt {3\,x^4+x^2-2}} \,d x \]
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