Optimal. Leaf size=82 \[ \frac{a^{3/2} \left (1-\frac{b x^4}{a}\right )^{3/4} F\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{3 \sqrt{b} \left (a-b x^4\right )^{3/4}}+\frac{1}{3} x^2 \sqrt [4]{a-b x^4} \]
[Out]
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Rubi [A] time = 0.100571, antiderivative size = 82, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286 \[ \frac{a^{3/2} \left (1-\frac{b x^4}{a}\right )^{3/4} F\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )\right |2\right )}{3 \sqrt{b} \left (a-b x^4\right )^{3/4}}+\frac{1}{3} x^2 \sqrt [4]{a-b x^4} \]
Antiderivative was successfully verified.
[In] Int[x*(a - b*x^4)^(1/4),x]
[Out]
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Rubi in Sympy [A] time = 10.2816, size = 66, normalized size = 0.8 \[ \frac{a^{\frac{3}{2}} \left (1 - \frac{b x^{4}}{a}\right )^{\frac{3}{4}} F\left (\frac{\operatorname{asin}{\left (\frac{\sqrt{b} x^{2}}{\sqrt{a}} \right )}}{2}\middle | 2\right )}{3 \sqrt{b} \left (a - b x^{4}\right )^{\frac{3}{4}}} + \frac{x^{2} \sqrt [4]{a - b x^{4}}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x*(-b*x**4+a)**(1/4),x)
[Out]
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Mathematica [C] time = 0.0532167, size = 64, normalized size = 0.78 \[ \frac{x^2 \left (a \left (1-\frac{b x^4}{a}\right )^{3/4} \, _2F_1\left (\frac{1}{2},\frac{3}{4};\frac{3}{2};\frac{b x^4}{a}\right )+2 a-2 b x^4\right )}{6 \left (a-b x^4\right )^{3/4}} \]
Antiderivative was successfully verified.
[In] Integrate[x*(a - b*x^4)^(1/4),x]
[Out]
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Maple [F] time = 0.025, size = 0, normalized size = 0. \[ \int x\sqrt [4]{-b{x}^{4}+a}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x*(-b*x^4+a)^(1/4),x)
[Out]
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \int{\left (-b x^{4} + a\right )}^{\frac{1}{4}} x\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x,x, algorithm="maxima")
[Out]
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Fricas [F] time = 0., size = 0, normalized size = 0. \[{\rm integral}\left ({\left (-b x^{4} + a\right )}^{\frac{1}{4}} x, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x,x, algorithm="fricas")
[Out]
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Sympy [A] time = 2.40872, size = 31, normalized size = 0.38 \[ \frac{\sqrt [4]{a} x^{2}{{}_{2}F_{1}\left (\begin{matrix} - \frac{1}{4}, \frac{1}{2} \\ \frac{3}{2} \end{matrix}\middle |{\frac{b x^{4} e^{2 i \pi }}{a}} \right )}}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x*(-b*x**4+a)**(1/4),x)
[Out]
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GIAC/XCAS [F] time = 0., size = 0, normalized size = 0. \[ \int{\left (-b x^{4} + a\right )}^{\frac{1}{4}} x\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((-b*x^4 + a)^(1/4)*x,x, algorithm="giac")
[Out]