3.1162 \(\int \frac{x^6}{\left (a+b x^4\right )^{5/4}} \, dx\)

Optimal. Leaf size=83 \[ \frac{3 \sqrt{a} x \sqrt [4]{\frac{a}{b x^4}+1} E\left (\left .\frac{1}{2} \cot ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{2 b^{3/2} \sqrt [4]{a+b x^4}}+\frac{x^3}{2 b \sqrt [4]{a+b x^4}} \]

[Out]

x^3/(2*b*(a + b*x^4)^(1/4)) + (3*Sqrt[a]*(1 + a/(b*x^4))^(1/4)*x*EllipticE[ArcCo
t[(Sqrt[b]*x^2)/Sqrt[a]]/2, 2])/(2*b^(3/2)*(a + b*x^4)^(1/4))

_______________________________________________________________________________________

Rubi [A]  time = 0.115264, antiderivative size = 83, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.333 \[ \frac{3 \sqrt{a} x \sqrt [4]{\frac{a}{b x^4}+1} E\left (\left .\frac{1}{2} \cot ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{2 b^{3/2} \sqrt [4]{a+b x^4}}+\frac{x^3}{2 b \sqrt [4]{a+b x^4}} \]

Antiderivative was successfully verified.

[In]  Int[x^6/(a + b*x^4)^(5/4),x]

[Out]

x^3/(2*b*(a + b*x^4)^(1/4)) + (3*Sqrt[a]*(1 + a/(b*x^4))^(1/4)*x*EllipticE[ArcCo
t[(Sqrt[b]*x^2)/Sqrt[a]]/2, 2])/(2*b^(3/2)*(a + b*x^4)^(1/4))

_______________________________________________________________________________________

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

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(x**6/(b*x**4+a)**(5/4),x)

[Out]

-3*a*x*(a/(b*x**4) + 1)**(1/4)*Integral((a*x**2/b + 1)**(-1/4), (x, x**(-2)))/(4
*b**2*(a + b*x**4)**(1/4)) + 3*a/(2*b**2*x*(a + b*x**4)**(1/4)) + x**3/(2*b*(a +
 b*x**4)**(1/4))

_______________________________________________________________________________________

Mathematica [C]  time = 0.0481507, size = 54, normalized size = 0.65 \[ \frac{x^3 \left (\sqrt [4]{\frac{b x^4}{a}+1} \, _2F_1\left (\frac{1}{4},\frac{3}{4};\frac{7}{4};-\frac{b x^4}{a}\right )-1\right )}{b \sqrt [4]{a+b x^4}} \]

Antiderivative was successfully verified.

[In]  Integrate[x^6/(a + b*x^4)^(5/4),x]

[Out]

(x^3*(-1 + (1 + (b*x^4)/a)^(1/4)*Hypergeometric2F1[1/4, 3/4, 7/4, -((b*x^4)/a)])
)/(b*(a + b*x^4)^(1/4))

_______________________________________________________________________________________

Maple [F]  time = 0.039, size = 0, normalized size = 0. \[ \int{{x}^{6} \left ( b{x}^{4}+a \right ) ^{-{\frac{5}{4}}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(x^6/(b*x^4+a)^(5/4),x)

[Out]

int(x^6/(b*x^4+a)^(5/4),x)

_______________________________________________________________________________________

Maxima [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x^{6}}{{\left (b x^{4} + a\right )}^{\frac{5}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x^6/(b*x^4 + a)^(5/4),x, algorithm="maxima")

[Out]

integrate(x^6/(b*x^4 + a)^(5/4), x)

_______________________________________________________________________________________

Fricas [F]  time = 0., size = 0, normalized size = 0. \[{\rm integral}\left (\frac{x^{6}}{{\left (b x^{4} + a\right )}^{\frac{5}{4}}}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x^6/(b*x^4 + a)^(5/4),x, algorithm="fricas")

[Out]

integral(x^6/(b*x^4 + a)^(5/4), x)

_______________________________________________________________________________________

Sympy [A]  time = 2.87816, size = 37, normalized size = 0.45 \[ \frac{x^{7} \Gamma \left (\frac{7}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} \frac{5}{4}, \frac{7}{4} \\ \frac{11}{4} \end{matrix}\middle |{\frac{b x^{4} e^{i \pi }}{a}} \right )}}{4 a^{\frac{5}{4}} \Gamma \left (\frac{11}{4}\right )} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x**6/(b*x**4+a)**(5/4),x)

[Out]

x**7*gamma(7/4)*hyper((5/4, 7/4), (11/4,), b*x**4*exp_polar(I*pi)/a)/(4*a**(5/4)
*gamma(11/4))

_______________________________________________________________________________________

GIAC/XCAS [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x^{6}}{{\left (b x^{4} + a\right )}^{\frac{5}{4}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x^6/(b*x^4 + a)^(5/4),x, algorithm="giac")

[Out]

integrate(x^6/(b*x^4 + a)^(5/4), x)