Optimal. Leaf size=105 \[ \frac{3}{2} a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x}\right )-\sqrt{3} a^{4/3} \tan ^{-1}\left (\frac{2 \sqrt [3]{a+b x}+\sqrt [3]{a}}{\sqrt{3} \sqrt [3]{a}}\right )-\frac{1}{2} a^{4/3} \log (x)+3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3} \]
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Rubi [A] time = 0.0406306, antiderivative size = 105, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.385, Rules used = {50, 57, 617, 204, 31} \[ \frac{3}{2} a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x}\right )-\sqrt{3} a^{4/3} \tan ^{-1}\left (\frac{2 \sqrt [3]{a+b x}+\sqrt [3]{a}}{\sqrt{3} \sqrt [3]{a}}\right )-\frac{1}{2} a^{4/3} \log (x)+3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3} \]
Antiderivative was successfully verified.
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Rule 50
Rule 57
Rule 617
Rule 204
Rule 31
Rubi steps
\begin{align*} \int \frac{(a+b x)^{4/3}}{x} \, dx &=\frac{3}{4} (a+b x)^{4/3}+a \int \frac{\sqrt [3]{a+b x}}{x} \, dx\\ &=3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3}+a^2 \int \frac{1}{x (a+b x)^{2/3}} \, dx\\ &=3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3}-\frac{1}{2} a^{4/3} \log (x)-\frac{1}{2} \left (3 a^{4/3}\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a+b x}\right )-\frac{1}{2} \left (3 a^{5/3}\right ) \operatorname{Subst}\left (\int \frac{1}{a^{2/3}+\sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a+b x}\right )\\ &=3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3}-\frac{1}{2} a^{4/3} \log (x)+\frac{3}{2} a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x}\right )+\left (3 a^{4/3}\right ) \operatorname{Subst}\left (\int \frac{1}{-3-x^2} \, dx,x,1+\frac{2 \sqrt [3]{a+b x}}{\sqrt [3]{a}}\right )\\ &=3 a \sqrt [3]{a+b x}+\frac{3}{4} (a+b x)^{4/3}-\sqrt{3} a^{4/3} \tan ^{-1}\left (\frac{1+\frac{2 \sqrt [3]{a+b x}}{\sqrt [3]{a}}}{\sqrt{3}}\right )-\frac{1}{2} a^{4/3} \log (x)+\frac{3}{2} a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x}\right )\\ \end{align*}
Mathematica [A] time = 0.0687591, size = 130, normalized size = 1.24 \[ \frac{1}{4} \left (4 a^{4/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x}\right )-2 a^{4/3} \log \left (a^{2/3}+\sqrt [3]{a} \sqrt [3]{a+b x}+(a+b x)^{2/3}\right )-4 \sqrt{3} a^{4/3} \tan ^{-1}\left (\frac{\frac{2 \sqrt [3]{a+b x}}{\sqrt [3]{a}}+1}{\sqrt{3}}\right )+15 a \sqrt [3]{a+b x}+3 b x \sqrt [3]{a+b x}\right ) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.004, size = 95, normalized size = 0.9 \begin{align*}{\frac{3}{4} \left ( bx+a \right ) ^{{\frac{4}{3}}}}+3\,a\sqrt [3]{bx+a}+{a}^{{\frac{4}{3}}}\ln \left ( \sqrt [3]{bx+a}-\sqrt [3]{a} \right ) -{\frac{1}{2}{a}^{{\frac{4}{3}}}\ln \left ( \left ( bx+a \right ) ^{{\frac{2}{3}}}+\sqrt [3]{a}\sqrt [3]{bx+a}+{a}^{{\frac{2}{3}}} \right ) }-{a}^{{\frac{4}{3}}}\sqrt{3}\arctan \left ({\frac{\sqrt{3}}{3} \left ( 2\,{\frac{\sqrt [3]{bx+a}}{\sqrt [3]{a}}}+1 \right ) } \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.67614, size = 305, normalized size = 2.9 \begin{align*} -\sqrt{3} a^{\frac{4}{3}} \arctan \left (\frac{2 \, \sqrt{3}{\left (b x + a\right )}^{\frac{1}{3}} a^{\frac{2}{3}} + \sqrt{3} a}{3 \, a}\right ) - \frac{1}{2} \, a^{\frac{4}{3}} \log \left ({\left (b x + a\right )}^{\frac{2}{3}} +{\left (b x + a\right )}^{\frac{1}{3}} a^{\frac{1}{3}} + a^{\frac{2}{3}}\right ) + a^{\frac{4}{3}} \log \left ({\left (b x + a\right )}^{\frac{1}{3}} - a^{\frac{1}{3}}\right ) + \frac{3}{4} \,{\left (b x + 5 \, a\right )}{\left (b x + a\right )}^{\frac{1}{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 3.15185, size = 209, normalized size = 1.99 \begin{align*} \frac{7 a^{\frac{4}{3}} \log{\left (1 - \frac{\sqrt [3]{b} \sqrt [3]{\frac{a}{b} + x}}{\sqrt [3]{a}} \right )} \Gamma \left (\frac{7}{3}\right )}{3 \Gamma \left (\frac{10}{3}\right )} + \frac{7 a^{\frac{4}{3}} e^{- \frac{2 i \pi }{3}} \log{\left (1 - \frac{\sqrt [3]{b} \sqrt [3]{\frac{a}{b} + x} e^{\frac{2 i \pi }{3}}}{\sqrt [3]{a}} \right )} \Gamma \left (\frac{7}{3}\right )}{3 \Gamma \left (\frac{10}{3}\right )} + \frac{7 a^{\frac{4}{3}} e^{\frac{2 i \pi }{3}} \log{\left (1 - \frac{\sqrt [3]{b} \sqrt [3]{\frac{a}{b} + x} e^{\frac{4 i \pi }{3}}}{\sqrt [3]{a}} \right )} \Gamma \left (\frac{7}{3}\right )}{3 \Gamma \left (\frac{10}{3}\right )} + \frac{7 a \sqrt [3]{b} \sqrt [3]{\frac{a}{b} + x} \Gamma \left (\frac{7}{3}\right )}{\Gamma \left (\frac{10}{3}\right )} + \frac{7 b^{\frac{4}{3}} \left (\frac{a}{b} + x\right )^{\frac{4}{3}} \Gamma \left (\frac{7}{3}\right )}{4 \Gamma \left (\frac{10}{3}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 2.10626, size = 131, normalized size = 1.25 \begin{align*} -\sqrt{3} a^{\frac{4}{3}} \arctan \left (\frac{\sqrt{3}{\left (2 \,{\left (b x + a\right )}^{\frac{1}{3}} + a^{\frac{1}{3}}\right )}}{3 \, a^{\frac{1}{3}}}\right ) - \frac{1}{2} \, a^{\frac{4}{3}} \log \left ({\left (b x + a\right )}^{\frac{2}{3}} +{\left (b x + a\right )}^{\frac{1}{3}} a^{\frac{1}{3}} + a^{\frac{2}{3}}\right ) + a^{\frac{4}{3}} \log \left ({\left |{\left (b x + a\right )}^{\frac{1}{3}} - a^{\frac{1}{3}} \right |}\right ) + \frac{3}{4} \,{\left (b x + a\right )}^{\frac{4}{3}} + 3 \,{\left (b x + a\right )}^{\frac{1}{3}} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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