Integrand size = 21, antiderivative size = 32 \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\frac {\sqrt {1-x^2} \operatorname {EllipticF}\left (\arcsin (x),\frac {3}{2}\right )}{\sqrt {2} \sqrt {-1+x^2}} \]
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Time = 0.01 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {432, 430} \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\frac {\sqrt {1-x^2} \operatorname {EllipticF}\left (\arcsin (x),\frac {3}{2}\right )}{\sqrt {2} \sqrt {x^2-1}} \]
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Rule 430
Rule 432
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {1-x^2} \int \frac {1}{\sqrt {2-3 x^2} \sqrt {1-x^2}} \, dx}{\sqrt {-1+x^2}} \\ & = \frac {\sqrt {1-x^2} F\left (\sin ^{-1}(x)|\frac {3}{2}\right )}{\sqrt {2} \sqrt {-1+x^2}} \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.25 \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\frac {\sqrt {1-x^2} \operatorname {EllipticF}\left (\arcsin \left (\sqrt {\frac {3}{2}} x\right ),\frac {2}{3}\right )}{\sqrt {3} \sqrt {-1+x^2}} \]
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Time = 3.29 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.91
method | result | size |
default | \(\frac {F\left (x , \frac {\sqrt {6}}{2}\right ) \sqrt {-x^{2}+1}\, \sqrt {2}}{2 \sqrt {x^{2}-1}}\) | \(29\) |
elliptic | \(\frac {\sqrt {-\left (3 x^{2}-2\right ) \left (x^{2}-1\right )}\, \sqrt {-x^{2}+1}\, \sqrt {-6 x^{2}+4}\, F\left (x , \frac {\sqrt {6}}{2}\right )}{2 \sqrt {-3 x^{2}+2}\, \sqrt {x^{2}-1}\, \sqrt {-3 x^{4}+5 x^{2}-2}}\) | \(74\) |
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none
Time = 0.07 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.28 \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=-\frac {1}{2} \, \sqrt {-2} F(\arcsin \left (x\right )\,|\,\frac {3}{2}) \]
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Result contains complex when optimal does not.
Time = 1.68 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.16 \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\begin {cases} - \frac {\sqrt {3} i F\left (\operatorname {asin}{\left (\frac {\sqrt {6} x}{2} \right )}\middle | \frac {2}{3}\right )}{3} & \text {for}\: x > - \frac {\sqrt {6}}{3} \wedge x < \frac {\sqrt {6}}{3} \end {cases} \]
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\[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\int { \frac {1}{\sqrt {x^{2} - 1} \sqrt {-3 \, x^{2} + 2}} \,d x } \]
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\[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\int { \frac {1}{\sqrt {x^{2} - 1} \sqrt {-3 \, x^{2} + 2}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {2-3 x^2} \sqrt {-1+x^2}} \, dx=\int \frac {1}{\sqrt {x^2-1}\,\sqrt {2-3\,x^2}} \,d x \]
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