3.1080 \(\int \frac{x^2}{\left (-2 a-b x^2\right ) \left (-a-b x^2\right )^{3/4}} \, dx\)

Optimal. Leaf size=98 \[ \frac{\tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{2} \sqrt [4]{a} \sqrt [4]{-a-b x^2}}\right )}{\sqrt{2} \sqrt [4]{a} b^{3/2}}-\frac{\tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{2} \sqrt [4]{a} \sqrt [4]{-a-b x^2}}\right )}{\sqrt{2} \sqrt [4]{a} b^{3/2}} \]

[Out]

ArcTan[(Sqrt[b]*x)/(Sqrt[2]*a^(1/4)*(-a - b*x^2)^(1/4))]/(Sqrt[2]*a^(1/4)*b^(3/2
)) - ArcTanh[(Sqrt[b]*x)/(Sqrt[2]*a^(1/4)*(-a - b*x^2)^(1/4))]/(Sqrt[2]*a^(1/4)*
b^(3/2))

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Rubi [A]  time = 0.133258, antiderivative size = 98, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 30, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.033 \[ \frac{\tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{2} \sqrt [4]{a} \sqrt [4]{-a-b x^2}}\right )}{\sqrt{2} \sqrt [4]{a} b^{3/2}}-\frac{\tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{2} \sqrt [4]{a} \sqrt [4]{-a-b x^2}}\right )}{\sqrt{2} \sqrt [4]{a} b^{3/2}} \]

Antiderivative was successfully verified.

[In]  Int[x^2/((-2*a - b*x^2)*(-a - b*x^2)^(3/4)),x]

[Out]

ArcTan[(Sqrt[b]*x)/(Sqrt[2]*a^(1/4)*(-a - b*x^2)^(1/4))]/(Sqrt[2]*a^(1/4)*b^(3/2
)) - ArcTanh[(Sqrt[b]*x)/(Sqrt[2]*a^(1/4)*(-a - b*x^2)^(1/4))]/(Sqrt[2]*a^(1/4)*
b^(3/2))

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Rubi in Sympy [A]  time = 39.1104, size = 54, normalized size = 0.55 \[ \frac{x^{3} \sqrt [4]{- a - b x^{2}} \operatorname{appellf_{1}}{\left (\frac{3}{2},\frac{3}{4},1,\frac{5}{2},- \frac{b x^{2}}{a},- \frac{b x^{2}}{2 a} \right )}}{6 a^{2} \sqrt [4]{1 + \frac{b x^{2}}{a}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(x**2/(-b*x**2-2*a)/(-b*x**2-a)**(3/4),x)

[Out]

x**3*(-a - b*x**2)**(1/4)*appellf1(3/2, 3/4, 1, 5/2, -b*x**2/a, -b*x**2/(2*a))/(
6*a**2*(1 + b*x**2/a)**(1/4))

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Mathematica [C]  time = 0.293479, size = 174, normalized size = 1.78 \[ -\frac{10 a x^3 F_1\left (\frac{3}{2};\frac{3}{4},1;\frac{5}{2};-\frac{b x^2}{a},-\frac{b x^2}{2 a}\right )}{3 \left (-a-b x^2\right )^{3/4} \left (2 a+b x^2\right ) \left (10 a F_1\left (\frac{3}{2};\frac{3}{4},1;\frac{5}{2};-\frac{b x^2}{a},-\frac{b x^2}{2 a}\right )-b x^2 \left (2 F_1\left (\frac{5}{2};\frac{3}{4},2;\frac{7}{2};-\frac{b x^2}{a},-\frac{b x^2}{2 a}\right )+3 F_1\left (\frac{5}{2};\frac{7}{4},1;\frac{7}{2};-\frac{b x^2}{a},-\frac{b x^2}{2 a}\right )\right )\right )} \]

Warning: Unable to verify antiderivative.

[In]  Integrate[x^2/((-2*a - b*x^2)*(-a - b*x^2)^(3/4)),x]

[Out]

(-10*a*x^3*AppellF1[3/2, 3/4, 1, 5/2, -((b*x^2)/a), -(b*x^2)/(2*a)])/(3*(-a - b*
x^2)^(3/4)*(2*a + b*x^2)*(10*a*AppellF1[3/2, 3/4, 1, 5/2, -((b*x^2)/a), -(b*x^2)
/(2*a)] - b*x^2*(2*AppellF1[5/2, 3/4, 2, 7/2, -((b*x^2)/a), -(b*x^2)/(2*a)] + 3*
AppellF1[5/2, 7/4, 1, 7/2, -((b*x^2)/a), -(b*x^2)/(2*a)])))

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Maple [F]  time = 0.09, size = 0, normalized size = 0. \[ \int{\frac{{x}^{2}}{-b{x}^{2}-2\,a} \left ( -b{x}^{2}-a \right ) ^{-{\frac{3}{4}}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(x^2/(-b*x^2-2*a)/(-b*x^2-a)^(3/4),x)

[Out]

int(x^2/(-b*x^2-2*a)/(-b*x^2-a)^(3/4),x)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \[ -\int \frac{x^{2}}{{\left (b x^{2} + 2 \, a\right )}{\left (-b x^{2} - a\right )}^{\frac{3}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

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

[Out]

-integrate(x^2/((b*x^2 + 2*a)*(-b*x^2 - a)^(3/4)), x)

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Fricas [A]  time = 0.232164, size = 258, normalized size = 2.63 \[ 2 \, \left (\frac{1}{4}\right )^{\frac{1}{4}} \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}} \arctan \left (\frac{\left (\frac{1}{4}\right )^{\frac{1}{4}} b^{2} x \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}}}{\sqrt{\frac{1}{2}} x \sqrt{\frac{b^{4} x^{2} \sqrt{\frac{1}{a b^{6}}} + 2 \, \sqrt{-b x^{2} - a}}{x^{2}}} +{\left (-b x^{2} - a\right )}^{\frac{1}{4}}}\right ) - \frac{1}{2} \, \left (\frac{1}{4}\right )^{\frac{1}{4}} \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}} \log \left (\frac{\left (\frac{1}{4}\right )^{\frac{1}{4}} b^{2} x \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}} +{\left (-b x^{2} - a\right )}^{\frac{1}{4}}}{x}\right ) + \frac{1}{2} \, \left (\frac{1}{4}\right )^{\frac{1}{4}} \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}} \log \left (-\frac{\left (\frac{1}{4}\right )^{\frac{1}{4}} b^{2} x \left (\frac{1}{a b^{6}}\right )^{\frac{1}{4}} -{\left (-b x^{2} - a\right )}^{\frac{1}{4}}}{x}\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

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

[Out]

2*(1/4)^(1/4)*(1/(a*b^6))^(1/4)*arctan((1/4)^(1/4)*b^2*x*(1/(a*b^6))^(1/4)/(sqrt
(1/2)*x*sqrt((b^4*x^2*sqrt(1/(a*b^6)) + 2*sqrt(-b*x^2 - a))/x^2) + (-b*x^2 - a)^
(1/4))) - 1/2*(1/4)^(1/4)*(1/(a*b^6))^(1/4)*log(((1/4)^(1/4)*b^2*x*(1/(a*b^6))^(
1/4) + (-b*x^2 - a)^(1/4))/x) + 1/2*(1/4)^(1/4)*(1/(a*b^6))^(1/4)*log(-((1/4)^(1
/4)*b^2*x*(1/(a*b^6))^(1/4) - (-b*x^2 - a)^(1/4))/x)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \[ - \int \frac{x^{2}}{2 a \left (- a - b x^{2}\right )^{\frac{3}{4}} + b x^{2} \left (- a - b x^{2}\right )^{\frac{3}{4}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x**2/(-b*x**2-2*a)/(-b*x**2-a)**(3/4),x)

[Out]

-Integral(x**2/(2*a*(-a - b*x**2)**(3/4) + b*x**2*(-a - b*x**2)**(3/4)), x)

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GIAC/XCAS [F]  time = 0., size = 0, normalized size = 0. \[ \int -\frac{x^{2}}{{\left (b x^{2} + 2 \, a\right )}{\left (-b x^{2} - a\right )}^{\frac{3}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

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

[Out]

integrate(-x^2/((b*x^2 + 2*a)*(-b*x^2 - a)^(3/4)), x)