Optimal. Leaf size=137 \[ \frac{256 b^4 \sqrt{a x+b x^{2/3}}}{105 a^5 \sqrt [3]{x}}-\frac{128 b^3 \sqrt{a x+b x^{2/3}}}{105 a^4}+\frac{32 b^2 \sqrt [3]{x} \sqrt{a x+b x^{2/3}}}{35 a^3}-\frac{16 b x^{2/3} \sqrt{a x+b x^{2/3}}}{21 a^2}+\frac{2 x \sqrt{a x+b x^{2/3}}}{3 a} \]
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Rubi [A] time = 0.179859, antiderivative size = 137, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176, Rules used = {2016, 2002, 2014} \[ \frac{256 b^4 \sqrt{a x+b x^{2/3}}}{105 a^5 \sqrt [3]{x}}-\frac{128 b^3 \sqrt{a x+b x^{2/3}}}{105 a^4}+\frac{32 b^2 \sqrt [3]{x} \sqrt{a x+b x^{2/3}}}{35 a^3}-\frac{16 b x^{2/3} \sqrt{a x+b x^{2/3}}}{21 a^2}+\frac{2 x \sqrt{a x+b x^{2/3}}}{3 a} \]
Antiderivative was successfully verified.
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Rule 2016
Rule 2002
Rule 2014
Rubi steps
\begin{align*} \int \frac{x}{\sqrt{b x^{2/3}+a x}} \, dx &=\frac{2 x \sqrt{b x^{2/3}+a x}}{3 a}-\frac{(8 b) \int \frac{x^{2/3}}{\sqrt{b x^{2/3}+a x}} \, dx}{9 a}\\ &=-\frac{16 b x^{2/3} \sqrt{b x^{2/3}+a x}}{21 a^2}+\frac{2 x \sqrt{b x^{2/3}+a x}}{3 a}+\frac{\left (16 b^2\right ) \int \frac{\sqrt [3]{x}}{\sqrt{b x^{2/3}+a x}} \, dx}{21 a^2}\\ &=\frac{32 b^2 \sqrt [3]{x} \sqrt{b x^{2/3}+a x}}{35 a^3}-\frac{16 b x^{2/3} \sqrt{b x^{2/3}+a x}}{21 a^2}+\frac{2 x \sqrt{b x^{2/3}+a x}}{3 a}-\frac{\left (64 b^3\right ) \int \frac{1}{\sqrt{b x^{2/3}+a x}} \, dx}{105 a^3}\\ &=-\frac{128 b^3 \sqrt{b x^{2/3}+a x}}{105 a^4}+\frac{32 b^2 \sqrt [3]{x} \sqrt{b x^{2/3}+a x}}{35 a^3}-\frac{16 b x^{2/3} \sqrt{b x^{2/3}+a x}}{21 a^2}+\frac{2 x \sqrt{b x^{2/3}+a x}}{3 a}+\frac{\left (128 b^4\right ) \int \frac{1}{\sqrt [3]{x} \sqrt{b x^{2/3}+a x}} \, dx}{315 a^4}\\ &=-\frac{128 b^3 \sqrt{b x^{2/3}+a x}}{105 a^4}+\frac{256 b^4 \sqrt{b x^{2/3}+a x}}{105 a^5 \sqrt [3]{x}}+\frac{32 b^2 \sqrt [3]{x} \sqrt{b x^{2/3}+a x}}{35 a^3}-\frac{16 b x^{2/3} \sqrt{b x^{2/3}+a x}}{21 a^2}+\frac{2 x \sqrt{b x^{2/3}+a x}}{3 a}\\ \end{align*}
Mathematica [A] time = 0.063737, size = 74, normalized size = 0.54 \[ \frac{2 \sqrt{a x+b x^{2/3}} \left (48 a^2 b^2 x^{2/3}-40 a^3 b x+35 a^4 x^{4/3}-64 a b^3 \sqrt [3]{x}+128 b^4\right )}{105 a^5 \sqrt [3]{x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 68, normalized size = 0.5 \begin{align*}{\frac{2}{105\,{a}^{5}}\sqrt [3]{x} \left ( b+a\sqrt [3]{x} \right ) \left ( 35\,{x}^{4/3}{a}^{4}-40\,x{a}^{3}b+48\,{x}^{2/3}{a}^{2}{b}^{2}-64\,\sqrt [3]{x}a{b}^{3}+128\,{b}^{4} \right ){\frac{1}{\sqrt{b{x}^{{\frac{2}{3}}}+ax}}}} \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}{\sqrt{a x + b x^{\frac{2}{3}}}}\,{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}{\sqrt{a x + b x^{\frac{2}{3}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.13309, size = 108, normalized size = 0.79 \begin{align*} -\frac{256 \, b^{\frac{9}{2}}}{105 \, a^{5}} + \frac{2 \,{\left (35 \,{\left (a x^{\frac{1}{3}} + b\right )}^{\frac{9}{2}} - 180 \,{\left (a x^{\frac{1}{3}} + b\right )}^{\frac{7}{2}} b + 378 \,{\left (a x^{\frac{1}{3}} + b\right )}^{\frac{5}{2}} b^{2} - 420 \,{\left (a x^{\frac{1}{3}} + b\right )}^{\frac{3}{2}} b^{3} + 315 \, \sqrt{a x^{\frac{1}{3}} + b} b^{4}\right )}}{105 \, a^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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