Optimal. Leaf size=77 \[ \frac{2 x}{a \sqrt [4]{a-b x^2}}-\frac{2 \sqrt [4]{1-\frac{b x^2}{a}} E\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{\sqrt{a} \sqrt{b} \sqrt [4]{a-b x^2}} \]
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Rubi [A] time = 0.0193488, antiderivative size = 77, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {199, 229, 228} \[ \frac{2 x}{a \sqrt [4]{a-b x^2}}-\frac{2 \sqrt [4]{1-\frac{b x^2}{a}} E\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{\sqrt{a} \sqrt{b} \sqrt [4]{a-b x^2}} \]
Antiderivative was successfully verified.
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Rule 199
Rule 229
Rule 228
Rubi steps
\begin{align*} \int \frac{1}{\left (a-b x^2\right )^{5/4}} \, dx &=\frac{2 x}{a \sqrt [4]{a-b x^2}}-\frac{\int \frac{1}{\sqrt [4]{a-b x^2}} \, dx}{a}\\ &=\frac{2 x}{a \sqrt [4]{a-b x^2}}-\frac{\sqrt [4]{1-\frac{b x^2}{a}} \int \frac{1}{\sqrt [4]{1-\frac{b x^2}{a}}} \, dx}{a \sqrt [4]{a-b x^2}}\\ &=\frac{2 x}{a \sqrt [4]{a-b x^2}}-\frac{2 \sqrt [4]{1-\frac{b x^2}{a}} E\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{\sqrt{a} \sqrt{b} \sqrt [4]{a-b x^2}}\\ \end{align*}
Mathematica [C] time = 0.0130012, size = 56, normalized size = 0.73 \[ \frac{2 x-x \sqrt [4]{1-\frac{b x^2}{a}} \, _2F_1\left (\frac{1}{4},\frac{1}{2};\frac{3}{2};\frac{b x^2}{a}\right )}{a \sqrt [4]{a-b x^2}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.035, size = 0, normalized size = 0. \begin{align*} \int \left ( -b{x}^{2}+a \right ) ^{-{\frac{5}{4}}}\, 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 \frac{1}{{\left (-b x^{2} + a\right )}^{\frac{5}{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 (\frac{{\left (-b x^{2} + a\right )}^{\frac{3}{4}}}{b^{2} x^{4} - 2 \, a b x^{2} + a^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 0.801041, size = 26, normalized size = 0.34 \begin{align*} \frac{x{{}_{2}F_{1}\left (\begin{matrix} \frac{1}{2}, \frac{5}{4} \\ \frac{3}{2} \end{matrix}\middle |{\frac{b x^{2} e^{2 i \pi }}{a}} \right )}}{a^{\frac{5}{4}}} \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 \frac{1}{{\left (-b x^{2} + a\right )}^{\frac{5}{4}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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