Optimal. Leaf size=131 \[ -\frac{a^{5/2} x^3 \left (1-\frac{a}{b x^4}\right )^{3/4} F\left (\left .\frac{1}{2} \csc ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{24 b^{3/2} \left (a-b x^4\right )^{3/4}}-\frac{a^2 x \sqrt [4]{a-b x^4}}{24 b^2}+\frac{1}{10} x^9 \sqrt [4]{a-b x^4}-\frac{a x^5 \sqrt [4]{a-b x^4}}{60 b} \]
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Rubi [A] time = 0.174133, antiderivative size = 131, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.375 \[ -\frac{a^{5/2} x^3 \left (1-\frac{a}{b x^4}\right )^{3/4} F\left (\left .\frac{1}{2} \csc ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{24 b^{3/2} \left (a-b x^4\right )^{3/4}}-\frac{a^2 x \sqrt [4]{a-b x^4}}{24 b^2}+\frac{1}{10} x^9 \sqrt [4]{a-b x^4}-\frac{a x^5 \sqrt [4]{a-b x^4}}{60 b} \]
Antiderivative was successfully verified.
[In] Int[x^8*(a - b*x^4)^(1/4),x]
[Out]
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Rubi in Sympy [A] time = 22.3069, size = 109, normalized size = 0.83 \[ - \frac{a^{\frac{5}{2}} x^{3} \left (- \frac{a}{b x^{4}} + 1\right )^{\frac{3}{4}} F\left (\frac{\operatorname{asin}{\left (\frac{\sqrt{a}}{\sqrt{b} x^{2}} \right )}}{2}\middle | 2\right )}{24 b^{\frac{3}{2}} \left (a - b x^{4}\right )^{\frac{3}{4}}} - \frac{a^{2} x \sqrt [4]{a - b x^{4}}}{24 b^{2}} - \frac{a x^{5} \sqrt [4]{a - b x^{4}}}{60 b} + \frac{x^{9} \sqrt [4]{a - b x^{4}}}{10} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x**8*(-b*x**4+a)**(1/4),x)
[Out]
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Mathematica [C] time = 0.0493603, size = 91, normalized size = 0.69 \[ \frac{5 a^3 x \left (1-\frac{b x^4}{a}\right )^{3/4} \, _2F_1\left (\frac{1}{4},\frac{3}{4};\frac{5}{4};\frac{b x^4}{a}\right )-5 a^3 x+3 a^2 b x^5+14 a b^2 x^9-12 b^3 x^{13}}{120 b^2 \left (a-b x^4\right )^{3/4}} \]
Antiderivative was successfully verified.
[In] Integrate[x^8*(a - b*x^4)^(1/4),x]
[Out]
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Maple [F] time = 0.027, size = 0, normalized size = 0. \[ \int{x}^{8}\sqrt [4]{-b{x}^{4}+a}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x^8*(-b*x^4+a)^(1/4),x)
[Out]
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \int{\left (-b x^{4} + a\right )}^{\frac{1}{4}} x^{8}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x^8,x, algorithm="maxima")
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Fricas [F] time = 0., size = 0, normalized size = 0. \[{\rm integral}\left ({\left (-b x^{4} + a\right )}^{\frac{1}{4}} x^{8}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x^8,x, algorithm="fricas")
[Out]
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Sympy [A] time = 5.2515, size = 41, normalized size = 0.31 \[ \frac{\sqrt [4]{a} x^{9} \Gamma \left (\frac{9}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{1}{4}, \frac{9}{4} \\ \frac{13}{4} \end{matrix}\middle |{\frac{b x^{4} e^{2 i \pi }}{a}} \right )}}{4 \Gamma \left (\frac{13}{4}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x**8*(-b*x**4+a)**(1/4),x)
[Out]
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GIAC/XCAS [F] time = 0., size = 0, normalized size = 0. \[ \int{\left (-b x^{4} + a\right )}^{\frac{1}{4}} x^{8}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x^8,x, algorithm="giac")
[Out]