Optimal. Leaf size=74 \[ \frac{2 x}{b \sqrt [4]{a+b x^2}}-\frac{4 \sqrt{a} \sqrt [4]{\frac{b x^2}{a}+1} E\left (\left .\frac{1}{2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{b^{3/2} \sqrt [4]{a+b x^2}} \]
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Rubi [A] time = 0.0190679, antiderivative size = 74, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {285, 197, 196} \[ \frac{2 x}{b \sqrt [4]{a+b x^2}}-\frac{4 \sqrt{a} \sqrt [4]{\frac{b x^2}{a}+1} E\left (\left .\frac{1}{2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{b^{3/2} \sqrt [4]{a+b x^2}} \]
Antiderivative was successfully verified.
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Rule 285
Rule 197
Rule 196
Rubi steps
\begin{align*} \int \frac{x^2}{\left (a+b x^2\right )^{5/4}} \, dx &=\frac{2 x}{b \sqrt [4]{a+b x^2}}-\frac{(2 a) \int \frac{1}{\left (a+b x^2\right )^{5/4}} \, dx}{b}\\ &=\frac{2 x}{b \sqrt [4]{a+b x^2}}-\frac{\left (2 \sqrt [4]{1+\frac{b x^2}{a}}\right ) \int \frac{1}{\left (1+\frac{b x^2}{a}\right )^{5/4}} \, dx}{b \sqrt [4]{a+b x^2}}\\ &=\frac{2 x}{b \sqrt [4]{a+b x^2}}-\frac{4 \sqrt{a} \sqrt [4]{1+\frac{b x^2}{a}} E\left (\left .\frac{1}{2} \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )\right |2\right )}{b^{3/2} \sqrt [4]{a+b x^2}}\\ \end{align*}
Mathematica [C] time = 0.0168254, size = 53, normalized size = 0.72 \[ \frac{2 x \left (\sqrt [4]{\frac{b x^2}{a}+1} \, _2F_1\left (\frac{1}{4},\frac{1}{2};\frac{3}{2};-\frac{b x^2}{a}\right )-1\right )}{b \sqrt [4]{a+b x^2}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.026, size = 0, normalized size = 0. \begin{align*} \int{{x}^{2} \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{x^{2}}{{\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}} x^{2}}{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 = 0.803203, size = 27, normalized size = 0.36 \begin{align*} \frac{x^{3}{{}_{2}F_{1}\left (\begin{matrix} \frac{5}{4}, \frac{3}{2} \\ \frac{5}{2} \end{matrix}\middle |{\frac{b x^{2} e^{i \pi }}{a}} \right )}}{3 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{x^{2}}{{\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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