3.94 \(\int \frac{1}{\sqrt{3-7 x^2+2 x^4}} \, dx\)

Optimal. Leaf size=92 \[ \frac{\left (\sqrt{6} x^2+3\right ) \sqrt{\frac{2 x^4-7 x^2+3}{\left (\sqrt{6} x^2+3\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{2}{3}} x\right )|\frac{1}{24} \left (12+7 \sqrt{6}\right )\right )}{2 \sqrt [4]{6} \sqrt{2 x^4-7 x^2+3}} \]

[Out]

((3 + Sqrt[6]*x^2)*Sqrt[(3 - 7*x^2 + 2*x^4)/(3 + Sqrt[6]*x^2)^2]*EllipticF[2*Arc
Tan[(2/3)^(1/4)*x], (12 + 7*Sqrt[6])/24])/(2*6^(1/4)*Sqrt[3 - 7*x^2 + 2*x^4])

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Rubi [A]  time = 0.0568219, antiderivative size = 92, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.062 \[ \frac{\left (\sqrt{6} x^2+3\right ) \sqrt{\frac{2 x^4-7 x^2+3}{\left (\sqrt{6} x^2+3\right )^2}} F\left (2 \tan ^{-1}\left (\sqrt [4]{\frac{2}{3}} x\right )|\frac{1}{24} \left (12+7 \sqrt{6}\right )\right )}{2 \sqrt [4]{6} \sqrt{2 x^4-7 x^2+3}} \]

Antiderivative was successfully verified.

[In]  Int[1/Sqrt[3 - 7*x^2 + 2*x^4],x]

[Out]

((3 + Sqrt[6]*x^2)*Sqrt[(3 - 7*x^2 + 2*x^4)/(3 + Sqrt[6]*x^2)^2]*EllipticF[2*Arc
Tan[(2/3)^(1/4)*x], (12 + 7*Sqrt[6])/24])/(2*6^(1/4)*Sqrt[3 - 7*x^2 + 2*x^4])

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Rubi in Sympy [A]  time = 3.98947, size = 90, normalized size = 0.98 \[ \frac{6^{\frac{3}{4}} \sqrt{\frac{2 x^{4} - 7 x^{2} + 3}{\left (\frac{\sqrt{6} x^{2}}{3} + 1\right )^{2}}} \left (\frac{\sqrt{6} x^{2}}{3} + 1\right ) F\left (2 \operatorname{atan}{\left (\frac{\sqrt [4]{2} \cdot 3^{\frac{3}{4}} x}{3} \right )}\middle | \frac{1}{2} + \frac{7 \sqrt{6}}{24}\right )}{12 \sqrt{2 x^{4} - 7 x^{2} + 3}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(1/(2*x**4-7*x**2+3)**(1/2),x)

[Out]

6**(3/4)*sqrt((2*x**4 - 7*x**2 + 3)/(sqrt(6)*x**2/3 + 1)**2)*(sqrt(6)*x**2/3 + 1
)*elliptic_f(2*atan(2**(1/4)*3**(3/4)*x/3), 1/2 + 7*sqrt(6)/24)/(12*sqrt(2*x**4
- 7*x**2 + 3))

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Mathematica [A]  time = 0.0414007, size = 58, normalized size = 0.63 \[ \frac{\sqrt{1-2 x^2} \sqrt{1-\frac{x^2}{3}} F\left (\sin ^{-1}\left (\sqrt{2} x\right )|\frac{1}{6}\right )}{\sqrt{2} \sqrt{2 x^4-7 x^2+3}} \]

Antiderivative was successfully verified.

[In]  Integrate[1/Sqrt[3 - 7*x^2 + 2*x^4],x]

[Out]

(Sqrt[1 - 2*x^2]*Sqrt[1 - x^2/3]*EllipticF[ArcSin[Sqrt[2]*x], 1/6])/(Sqrt[2]*Sqr
t[3 - 7*x^2 + 2*x^4])

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Maple [A]  time = 0.047, size = 49, normalized size = 0.5 \[{\frac{\sqrt{2}}{6}\sqrt{-2\,{x}^{2}+1}\sqrt{-3\,{x}^{2}+9}{\it EllipticF} \left ( \sqrt{2}x,{\frac{\sqrt{6}}{6}} \right ){\frac{1}{\sqrt{2\,{x}^{4}-7\,{x}^{2}+3}}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(1/(2*x^4-7*x^2+3)^(1/2),x)

[Out]

1/6*2^(1/2)*(-2*x^2+1)^(1/2)*(-3*x^2+9)^(1/2)/(2*x^4-7*x^2+3)^(1/2)*EllipticF(2^
(1/2)*x,1/6*6^(1/2))

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Maxima [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{2 \, x^{4} - 7 \, x^{2} + 3}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/sqrt(2*x^4 - 7*x^2 + 3),x, algorithm="maxima")

[Out]

integrate(1/sqrt(2*x^4 - 7*x^2 + 3), x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \[{\rm integral}\left (\frac{1}{\sqrt{2 \, x^{4} - 7 \, x^{2} + 3}}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/sqrt(2*x^4 - 7*x^2 + 3),x, algorithm="fricas")

[Out]

integral(1/sqrt(2*x^4 - 7*x^2 + 3), x)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{2 x^{4} - 7 x^{2} + 3}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/(2*x**4-7*x**2+3)**(1/2),x)

[Out]

Integral(1/sqrt(2*x**4 - 7*x**2 + 3), x)

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GIAC/XCAS [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{2 \, x^{4} - 7 \, x^{2} + 3}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(1/sqrt(2*x^4 - 7*x^2 + 3),x, algorithm="giac")

[Out]

integrate(1/sqrt(2*x^4 - 7*x^2 + 3), x)