Integrand size = 16, antiderivative size = 148 \[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\frac {\sqrt {\frac {6-\left (7-\sqrt {73}\right ) x^2}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {-6+\left (7+\sqrt {73}\right ) x^2} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {2} \sqrt [4]{73} x}{\sqrt {-6+\left (7+\sqrt {73}\right ) x^2}}\right ),\frac {1}{146} \left (73+7 \sqrt {73}\right )\right )}{2 \sqrt {3} \sqrt [4]{73} \sqrt {\frac {1}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {-3+7 x^2+2 x^4}} \]
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Time = 0.02 (sec) , antiderivative size = 148, 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 = {1112} \[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\frac {\sqrt {\frac {6-\left (7-\sqrt {73}\right ) x^2}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {\left (7+\sqrt {73}\right ) x^2-6} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {2} \sqrt [4]{73} x}{\sqrt {\left (7+\sqrt {73}\right ) x^2-6}}\right ),\frac {1}{146} \left (73+7 \sqrt {73}\right )\right )}{2 \sqrt {3} \sqrt [4]{73} \sqrt {\frac {1}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {2 x^4+7 x^2-3}} \]
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Rule 1112
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {\frac {6-\left (7-\sqrt {73}\right ) x^2}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {-6+\left (7+\sqrt {73}\right ) x^2} F\left (\sin ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{73} x}{\sqrt {-6+\left (7+\sqrt {73}\right ) x^2}}\right )|\frac {1}{146} \left (73+7 \sqrt {73}\right )\right )}{2 \sqrt {3} \sqrt [4]{73} \sqrt {\frac {1}{6-\left (7+\sqrt {73}\right ) x^2}} \sqrt {-3+7 x^2+2 x^4}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 10.05 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.54 \[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=-\frac {i \sqrt {6-14 x^2-4 x^4} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {2 x}{\sqrt {7+\sqrt {73}}}\right ),\frac {1}{12} \left (-61-7 \sqrt {73}\right )\right )}{\sqrt {-7+\sqrt {73}} \sqrt {-3+7 x^2+2 x^4}} \]
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Result contains complex when optimal does not.
Time = 0.64 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.57
method | result | size |
default | \(\frac {6 \sqrt {1-\left (\frac {7}{6}-\frac {\sqrt {73}}{6}\right ) x^{2}}\, \sqrt {1-\left (\frac {7}{6}+\frac {\sqrt {73}}{6}\right ) x^{2}}\, F\left (\frac {\sqrt {42-6 \sqrt {73}}\, x}{6}, \frac {7 i \sqrt {6}}{12}+\frac {i \sqrt {438}}{12}\right )}{\sqrt {42-6 \sqrt {73}}\, \sqrt {2 x^{4}+7 x^{2}-3}}\) | \(84\) |
elliptic | \(\frac {6 \sqrt {1-\left (\frac {7}{6}-\frac {\sqrt {73}}{6}\right ) x^{2}}\, \sqrt {1-\left (\frac {7}{6}+\frac {\sqrt {73}}{6}\right ) x^{2}}\, F\left (\frac {\sqrt {42-6 \sqrt {73}}\, x}{6}, \frac {7 i \sqrt {6}}{12}+\frac {i \sqrt {438}}{12}\right )}{\sqrt {42-6 \sqrt {73}}\, \sqrt {2 x^{4}+7 x^{2}-3}}\) | \(84\) |
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none
Time = 0.07 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.34 \[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=-\frac {1}{72} \, {\left (\sqrt {73} \sqrt {6} \sqrt {-3} - 7 \, \sqrt {6} \sqrt {-3}\right )} \sqrt {\sqrt {73} + 7} F(\arcsin \left (\frac {1}{6} \, \sqrt {6} x \sqrt {\sqrt {73} + 7}\right )\,|\,\frac {7}{12} \, \sqrt {73} - \frac {61}{12}) \]
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\[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\int \frac {1}{\sqrt {2 x^{4} + 7 x^{2} - 3}}\, dx \]
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\[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\int { \frac {1}{\sqrt {2 \, x^{4} + 7 \, x^{2} - 3}} \,d x } \]
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\[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\int { \frac {1}{\sqrt {2 \, x^{4} + 7 \, x^{2} - 3}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {-3+7 x^2+2 x^4}} \, dx=\int \frac {1}{\sqrt {2\,x^4+7\,x^2-3}} \,d x \]
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