3.218 \(\int \frac{1}{\sqrt{1-x^2} \sqrt{2+2 x^2}} \, dx\)

Optimal. Leaf size=10 \[ \frac{F\left (\left .\sin ^{-1}(x)\right |-1\right )}{\sqrt{2}} \]

[Out]

EllipticF[ArcSin[x], -1]/Sqrt[2]

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Rubi [A]  time = 0.0232372, antiderivative size = 10, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.087 \[ \frac{F\left (\left .\sin ^{-1}(x)\right |-1\right )}{\sqrt{2}} \]

Antiderivative was successfully verified.

[In]  Int[1/(Sqrt[1 - x^2]*Sqrt[2 + 2*x^2]),x]

[Out]

EllipticF[ArcSin[x], -1]/Sqrt[2]

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Rubi in Sympy [A]  time = 4.95543, size = 12, normalized size = 1.2 \[ \frac{\sqrt{2} F\left (\operatorname{asin}{\left (x \right )}\middle | -1\right )}{2} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(1/(-x**2+1)**(1/2)/(2*x**2+2)**(1/2),x)

[Out]

sqrt(2)*elliptic_f(asin(x), -1)/2

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Mathematica [A]  time = 0.031862, size = 10, normalized size = 1. \[ \frac{F\left (\left .\sin ^{-1}(x)\right |-1\right )}{\sqrt{2}} \]

Antiderivative was successfully verified.

[In]  Integrate[1/(Sqrt[1 - x^2]*Sqrt[2 + 2*x^2]),x]

[Out]

EllipticF[ArcSin[x], -1]/Sqrt[2]

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Maple [A]  time = 0.03, size = 10, normalized size = 1. \[{\frac{{\it EllipticF} \left ( x,i \right ) \sqrt{2}}{2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(1/(-x^2+1)^(1/2)/(2*x^2+2)^(1/2),x)

[Out]

1/2*EllipticF(x,I)*2^(1/2)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{2 \, x^{2} + 2} \sqrt{-x^{2} + 1}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)),x, algorithm="maxima")

[Out]

integrate(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)), x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \[{\rm integral}\left (\frac{1}{\sqrt{2 \, x^{2} + 2} \sqrt{-x^{2} + 1}}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)),x, algorithm="fricas")

[Out]

integral(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)), x)

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Sympy [A]  time = 33.9879, size = 73, normalized size = 7.3 \[ - \frac{\sqrt{2}{G_{6, 6}^{5, 3}\left (\begin{matrix} \frac{1}{2}, 1, 1 & \frac{3}{4}, \frac{3}{4}, \frac{5}{4} \\\frac{1}{4}, \frac{1}{2}, \frac{3}{4}, 1, \frac{5}{4} & 0 \end{matrix} \middle |{\frac{e^{- 2 i \pi }}{x^{4}}} \right )}}{16 \pi ^{\frac{3}{2}}} + \frac{\sqrt{2}{G_{6, 6}^{3, 5}\left (\begin{matrix} - \frac{1}{4}, 0, \frac{1}{4}, \frac{1}{2}, \frac{3}{4} & 1 \\0, \frac{1}{2}, 0 & - \frac{1}{4}, \frac{1}{4}, \frac{1}{4} \end{matrix} \middle |{\frac{1}{x^{4}}} \right )}}{16 \pi ^{\frac{3}{2}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/(-x**2+1)**(1/2)/(2*x**2+2)**(1/2),x)

[Out]

-sqrt(2)*meijerg(((1/2, 1, 1), (3/4, 3/4, 5/4)), ((1/4, 1/2, 3/4, 1, 5/4), (0,))
, exp_polar(-2*I*pi)/x**4)/(16*pi**(3/2)) + sqrt(2)*meijerg(((-1/4, 0, 1/4, 1/2,
3/4), (1,)), ((0, 1/2, 0), (-1/4, 1/4, 1/4)), x**(-4))/(16*pi**(3/2))

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GIAC/XCAS [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{2 \, x^{2} + 2} \sqrt{-x^{2} + 1}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)),x, algorithm="giac")

[Out]

integrate(1/(sqrt(2*x^2 + 2)*sqrt(-x^2 + 1)), x)