Integrand size = 22, antiderivative size = 10 \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=2 \operatorname {EllipticF}\left (\arcsin \left (\sqrt {x}\right ),-1\right ) \]
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Time = 0.00 (sec) , antiderivative size = 10, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {116} \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=2 \operatorname {EllipticF}\left (\arcsin \left (\sqrt {x}\right ),-1\right ) \]
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Rule 116
Rubi steps \begin{align*} \text {integral}& = 2 F\left (\left .\sin ^{-1}\left (\sqrt {x}\right )\right |-1\right ) \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.45 (sec) , antiderivative size = 44, normalized size of antiderivative = 4.40 \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=\frac {2 x \sqrt {1-x^2} \operatorname {Hypergeometric2F1}\left (\frac {1}{4},\frac {1}{2},\frac {5}{4},x^2\right )}{\sqrt {-((-1+x) x)} \sqrt {1+x}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(23\) vs. \(2(8)=16\).
Time = 1.77 (sec) , antiderivative size = 24, normalized size of antiderivative = 2.40
method | result | size |
default | \(\frac {\sqrt {2}\, \sqrt {-x}\, F\left (\sqrt {1+x}, \frac {\sqrt {2}}{2}\right )}{\sqrt {x}}\) | \(24\) |
elliptic | \(\frac {\sqrt {-x \left (x^{2}-1\right )}\, \sqrt {2-2 x}\, \sqrt {-x}\, F\left (\sqrt {1+x}, \frac {\sqrt {2}}{2}\right )}{\sqrt {x}\, \sqrt {1-x}\, \sqrt {-x^{3}+x}}\) | \(54\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.60 \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=-2 i \, {\rm weierstrassPInverse}\left (4, 0, x\right ) \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (7) = 14\).
Time = 10.38 (sec) , antiderivative size = 66, normalized size of antiderivative = 6.60 \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=\frac {i {G_{6, 6}^{5, 3}\left (\begin {matrix} \frac {1}{2}, 1, 1 & \frac {3}{4}, \frac {3}{4}, \frac {5}{4} \\\frac {1}{4}, \frac {1}{2}, \frac {3}{4}, 1, \frac {5}{4} & 0 \end {matrix} \middle | {\frac {1}{x^{2}}} \right )}}{4 \pi ^{\frac {3}{2}}} - \frac {i {G_{6, 6}^{3, 5}\left (\begin {matrix} - \frac {1}{4}, 0, \frac {1}{4}, \frac {1}{2}, \frac {3}{4} & 1 \\0, \frac {1}{2}, 0 & - \frac {1}{4}, \frac {1}{4}, \frac {1}{4} \end {matrix} \middle | {\frac {e^{- 2 i \pi }}{x^{2}}} \right )}}{4 \pi ^{\frac {3}{2}}} \]
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\[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=\int { \frac {1}{\sqrt {x + 1} \sqrt {x} \sqrt {-x + 1}} \,d x } \]
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\[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=\int { \frac {1}{\sqrt {x + 1} \sqrt {x} \sqrt {-x + 1}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {1-x} \sqrt {x} \sqrt {1+x}} \, dx=\int \frac {1}{\sqrt {x}\,\sqrt {1-x}\,\sqrt {x+1}} \,d x \]
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