Optimal. Leaf size=41 \[ \frac{4}{7} \text{EllipticF}\left (\sin ^{-1}(x),-1\right )+\frac{1}{7} x \left (1-x^4\right )^{3/2}+\frac{2}{7} x \sqrt{1-x^4} \]
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Rubi [A] time = 0.0057027, antiderivative size = 41, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {195, 221} \[ \frac{1}{7} x \left (1-x^4\right )^{3/2}+\frac{2}{7} x \sqrt{1-x^4}+\frac{4}{7} F\left (\left .\sin ^{-1}(x)\right |-1\right ) \]
Antiderivative was successfully verified.
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Rule 195
Rule 221
Rubi steps
\begin{align*} \int \left (1-x^4\right )^{3/2} \, dx &=\frac{1}{7} x \left (1-x^4\right )^{3/2}+\frac{6}{7} \int \sqrt{1-x^4} \, dx\\ &=\frac{2}{7} x \sqrt{1-x^4}+\frac{1}{7} x \left (1-x^4\right )^{3/2}+\frac{4}{7} \int \frac{1}{\sqrt{1-x^4}} \, dx\\ &=\frac{2}{7} x \sqrt{1-x^4}+\frac{1}{7} x \left (1-x^4\right )^{3/2}+\frac{4}{7} F\left (\left .\sin ^{-1}(x)\right |-1\right )\\ \end{align*}
Mathematica [C] time = 0.0022316, size = 15, normalized size = 0.37 \[ x \, _2F_1\left (-\frac{3}{2},\frac{1}{4};\frac{5}{4};x^4\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.004, size = 59, normalized size = 1.4 \begin{align*} -{\frac{{x}^{5}}{7}\sqrt{-{x}^{4}+1}}+{\frac{3\,x}{7}\sqrt{-{x}^{4}+1}}+{\frac{4\,{\it EllipticF} \left ( x,i \right ) }{7}\sqrt{-{x}^{2}+1}\sqrt{{x}^{2}+1}{\frac{1}{\sqrt{-{x}^{4}+1}}}} \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 (-x^{4} + 1\right )}^{\frac{3}{2}}\,{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 (-x^{4} + 1\right )}^{\frac{3}{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.870378, size = 31, normalized size = 0.76 \begin{align*} \frac{x \Gamma \left (\frac{1}{4}\right ){{}_{2}F_{1}\left (\begin{matrix} - \frac{3}{2}, \frac{1}{4} \\ \frac{5}{4} \end{matrix}\middle |{x^{4} e^{2 i \pi }} \right )}}{4 \Gamma \left (\frac{5}{4}\right )} \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 (-x^{4} + 1\right )}^{\frac{3}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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