Optimal. Leaf size=81 \[ \frac{2 \left (1-\frac{b x^2}{a}\right )^{3/4} \text{EllipticF}\left (\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right ),2\right )}{3 \sqrt{a} \sqrt{b} \left (a-b x^2\right )^{3/4}}+\frac{2 x}{3 a \left (a-b x^2\right )^{3/4}} \]
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Rubi [A] time = 0.0178061, antiderivative size = 81, 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, 233, 232} \[ \frac{2 x}{3 a \left (a-b x^2\right )^{3/4}}+\frac{2 \left (1-\frac{b x^2}{a}\right )^{3/4} F\left (\left .\frac{1}{2} \sin ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{3 \sqrt{a} \sqrt{b} \left (a-b x^2\right )^{3/4}} \]
Antiderivative was successfully verified.
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Rule 199
Rule 233
Rule 232
Rubi steps
\begin{align*} \int \frac{1}{\left (a-b x^2\right )^{7/4}} \, dx &=\frac{2 x}{3 a \left (a-b x^2\right )^{3/4}}+\frac{\int \frac{1}{\left (a-b x^2\right )^{3/4}} \, dx}{3 a}\\ &=\frac{2 x}{3 a \left (a-b x^2\right )^{3/4}}+\frac{\left (1-\frac{b x^2}{a}\right )^{3/4} \int \frac{1}{\left (1-\frac{b x^2}{a}\right )^{3/4}} \, dx}{3 a \left (a-b x^2\right )^{3/4}}\\ &=\frac{2 x}{3 a \left (a-b x^2\right )^{3/4}}+\frac{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 )}{3 \sqrt{a} \sqrt{b} \left (a-b x^2\right )^{3/4}}\\ \end{align*}
Mathematica [C] time = 0.0201655, size = 56, normalized size = 0.69 \[ \frac{x \left (\left (1-\frac{b x^2}{a}\right )^{3/4} \, _2F_1\left (\frac{1}{2},\frac{3}{4};\frac{3}{2};\frac{b x^2}{a}\right )+2\right )}{3 a \left (a-b x^2\right )^{3/4}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.036, size = 0, normalized size = 0. \begin{align*} \int \left ( -b{x}^{2}+a \right ) ^{-{\frac{7}{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{7}{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{1}{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 = 1.10458, size = 26, normalized size = 0.32 \begin{align*} \frac{x{{}_{2}F_{1}\left (\begin{matrix} \frac{1}{2}, \frac{7}{4} \\ \frac{3}{2} \end{matrix}\middle |{\frac{b x^{2} e^{2 i \pi }}{a}} \right )}}{a^{\frac{7}{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{7}{4}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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