Optimal. Leaf size=68 \[ -\frac{16 b \sqrt{a x+b x^{2/3}}}{a^3 \sqrt [3]{x}}+\frac{8 \sqrt{a x+b x^{2/3}}}{a^2}-\frac{6 x}{a \sqrt{a x+b x^{2/3}}} \]
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Rubi [A] time = 0.0838576, antiderivative size = 68, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176, Rules used = {2015, 2002, 2014} \[ -\frac{16 b \sqrt{a x+b x^{2/3}}}{a^3 \sqrt [3]{x}}+\frac{8 \sqrt{a x+b x^{2/3}}}{a^2}-\frac{6 x}{a \sqrt{a x+b x^{2/3}}} \]
Antiderivative was successfully verified.
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Rule 2015
Rule 2002
Rule 2014
Rubi steps
\begin{align*} \int \frac{x}{\left (b x^{2/3}+a x\right )^{3/2}} \, dx &=-\frac{6 x}{a \sqrt{b x^{2/3}+a x}}+\frac{4 \int \frac{1}{\sqrt{b x^{2/3}+a x}} \, dx}{a}\\ &=-\frac{6 x}{a \sqrt{b x^{2/3}+a x}}+\frac{8 \sqrt{b x^{2/3}+a x}}{a^2}-\frac{(8 b) \int \frac{1}{\sqrt [3]{x} \sqrt{b x^{2/3}+a x}} \, dx}{3 a^2}\\ &=-\frac{6 x}{a \sqrt{b x^{2/3}+a x}}+\frac{8 \sqrt{b x^{2/3}+a x}}{a^2}-\frac{16 b \sqrt{b x^{2/3}+a x}}{a^3 \sqrt [3]{x}}\\ \end{align*}
Mathematica [A] time = 0.0503076, size = 60, normalized size = 0.88 \[ \frac{2 \left (a^2 x^{2/3}-4 a b \sqrt [3]{x}-8 b^2\right ) \sqrt{a x+b x^{2/3}}}{a^3 \sqrt [3]{x} \left (a \sqrt [3]{x}+b\right )} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 45, normalized size = 0.7 \begin{align*} 2\,{\frac{x \left ( b+a\sqrt [3]{x} \right ) \left ({x}^{2/3}{a}^{2}-4\,\sqrt [3]{x}ab-8\,{b}^{2} \right ) }{ \left ( b{x}^{2/3}+ax \right ) ^{3/2}{a}^{3}}} \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}{{\left (a x + b x^{\frac{2}{3}}\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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}{\left (a x + b x^{\frac{2}{3}}\right )^{\frac{3}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.17889, size = 81, normalized size = 1.19 \begin{align*} \frac{16 \, b^{\frac{3}{2}}}{a^{3}} - \frac{6 \, b^{2}}{\sqrt{a x^{\frac{1}{3}} + b} a^{3}} + \frac{2 \,{\left ({\left (a x^{\frac{1}{3}} + b\right )}^{\frac{3}{2}} a^{6} - 6 \, \sqrt{a x^{\frac{1}{3}} + b} a^{6} b\right )}}{a^{9}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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