Optimal. Leaf size=126 \[ \frac{8 a^{7/2} \left (1-\frac{b x^2}{a}\right )^{3/4} \text{EllipticF}\left (\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right ),2\right )}{77 b^{5/2} \left (a-b x^2\right )^{3/4}}-\frac{4 a^2 x \sqrt [4]{a-b x^2}}{77 b^2}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b} \]
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Rubi [A] time = 0.0458994, antiderivative size = 126, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {279, 321, 233, 232} \[ -\frac{4 a^2 x \sqrt [4]{a-b x^2}}{77 b^2}+\frac{8 a^{7/2} \left (1-\frac{b x^2}{a}\right )^{3/4} F\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{77 b^{5/2} \left (a-b x^2\right )^{3/4}}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b} \]
Antiderivative was successfully verified.
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Rule 279
Rule 321
Rule 233
Rule 232
Rubi steps
\begin{align*} \int x^4 \sqrt [4]{a-b x^2} \, dx &=\frac{2}{11} x^5 \sqrt [4]{a-b x^2}+\frac{1}{11} a \int \frac{x^4}{\left (a-b x^2\right )^{3/4}} \, dx\\ &=-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}+\frac{\left (6 a^2\right ) \int \frac{x^2}{\left (a-b x^2\right )^{3/4}} \, dx}{77 b}\\ &=-\frac{4 a^2 x \sqrt [4]{a-b x^2}}{77 b^2}-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}+\frac{\left (4 a^3\right ) \int \frac{1}{\left (a-b x^2\right )^{3/4}} \, dx}{77 b^2}\\ &=-\frac{4 a^2 x \sqrt [4]{a-b x^2}}{77 b^2}-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}+\frac{\left (4 a^3 \left (1-\frac{b x^2}{a}\right )^{3/4}\right ) \int \frac{1}{\left (1-\frac{b x^2}{a}\right )^{3/4}} \, dx}{77 b^2 \left (a-b x^2\right )^{3/4}}\\ &=-\frac{4 a^2 x \sqrt [4]{a-b x^2}}{77 b^2}-\frac{2 a x^3 \sqrt [4]{a-b x^2}}{77 b}+\frac{2}{11} x^5 \sqrt [4]{a-b x^2}+\frac{8 a^{7/2} \left (1-\frac{b x^2}{a}\right )^{3/4} F\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{77 b^{5/2} \left (a-b x^2\right )^{3/4}}\\ \end{align*}
Mathematica [C] time = 0.0555366, size = 95, normalized size = 0.75 \[ -\frac{2 x \sqrt [4]{a-b x^2} \left (\sqrt [4]{1-\frac{b x^2}{a}} \left (6 a^2+a b x^2-7 b^2 x^4\right )-6 a^2 \, _2F_1\left (-\frac{1}{4},\frac{1}{2};\frac{3}{2};\frac{b x^2}{a}\right )\right )}{77 b^2 \sqrt [4]{1-\frac{b x^2}{a}}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.023, size = 0, normalized size = 0. \begin{align*} \int{x}^{4}\sqrt [4]{-b{x}^{2}+a}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (-b x^{2} + a\right )}^{\frac{1}{4}} x^{4}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (-b x^{2} + a\right )}^{\frac{1}{4}} x^{4}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 0.916091, size = 31, normalized size = 0.25 \begin{align*} \frac{\sqrt [4]{a} x^{5}{{}_{2}F_{1}\left (\begin{matrix} - \frac{1}{4}, \frac{5}{2} \\ \frac{7}{2} \end{matrix}\middle |{\frac{b x^{2} e^{2 i \pi }}{a}} \right )}}{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (-b x^{2} + a\right )}^{\frac{1}{4}} x^{4}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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