Optimal. Leaf size=49 \[ \frac{2 \sqrt{a x^2+b x^3}}{3 b}-\frac{4 a \sqrt{a x^2+b x^3}}{3 b^2 x} \]
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Rubi [A] time = 0.0545702, antiderivative size = 49, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.105, Rules used = {2016, 1588} \[ \frac{2 \sqrt{a x^2+b x^3}}{3 b}-\frac{4 a \sqrt{a x^2+b x^3}}{3 b^2 x} \]
Antiderivative was successfully verified.
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Rule 2016
Rule 1588
Rubi steps
\begin{align*} \int \frac{x^2}{\sqrt{a x^2+b x^3}} \, dx &=\frac{2 \sqrt{a x^2+b x^3}}{3 b}-\frac{(2 a) \int \frac{x}{\sqrt{a x^2+b x^3}} \, dx}{3 b}\\ &=\frac{2 \sqrt{a x^2+b x^3}}{3 b}-\frac{4 a \sqrt{a x^2+b x^3}}{3 b^2 x}\\ \end{align*}
Mathematica [A] time = 0.0148682, size = 30, normalized size = 0.61 \[ \frac{2 (b x-2 a) \sqrt{x^2 (a+b x)}}{3 b^2 x} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 33, normalized size = 0.7 \begin{align*} -{\frac{ \left ( 2\,bx+2\,a \right ) \left ( -bx+2\,a \right ) x}{3\,{b}^{2}}{\frac{1}{\sqrt{b{x}^{3}+a{x}^{2}}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.03395, size = 41, normalized size = 0.84 \begin{align*} \frac{2 \,{\left (b^{2} x^{2} - a b x - 2 \, a^{2}\right )}}{3 \, \sqrt{b x + a} b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0.858497, size = 61, normalized size = 1.24 \begin{align*} \frac{2 \, \sqrt{b x^{3} + a x^{2}}{\left (b x - 2 \, a\right )}}{3 \, b^{2} x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{2}}{\sqrt{x^{2} \left (a + b x\right )}}\, dx \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}}{\sqrt{b x^{3} + a x^{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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