Optimal. Leaf size=101 \[ \frac {3}{4} \left (a+b x^2\right )^{2/3}+\frac {1}{2} \sqrt {3} a^{2/3} \tan ^{-1}\left (\frac {\sqrt [3]{a}+2 \sqrt [3]{a+b x^2}}{\sqrt {3} \sqrt [3]{a}}\right )-\frac {1}{2} a^{2/3} \log (x)+\frac {3}{4} a^{2/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x^2}\right ) \]
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Rubi [A]
time = 0.05, antiderivative size = 101, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {272, 52, 57,
631, 210, 31} \begin {gather*} \frac {1}{2} \sqrt {3} a^{2/3} \text {ArcTan}\left (\frac {2 \sqrt [3]{a+b x^2}+\sqrt [3]{a}}{\sqrt {3} \sqrt [3]{a}}\right )+\frac {3}{4} a^{2/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x^2}\right )-\frac {1}{2} a^{2/3} \log (x)+\frac {3}{4} \left (a+b x^2\right )^{2/3} \end {gather*}
Antiderivative was successfully verified.
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Rule 31
Rule 52
Rule 57
Rule 210
Rule 272
Rule 631
Rubi steps
\begin {align*} \int \frac {\left (a+b x^2\right )^{2/3}}{x} \, dx &=\frac {1}{2} \text {Subst}\left (\int \frac {(a+b x)^{2/3}}{x} \, dx,x,x^2\right )\\ &=\frac {3}{4} \left (a+b x^2\right )^{2/3}+\frac {1}{2} a \text {Subst}\left (\int \frac {1}{x \sqrt [3]{a+b x}} \, dx,x,x^2\right )\\ &=\frac {3}{4} \left (a+b x^2\right )^{2/3}-\frac {1}{2} a^{2/3} \log (x)-\frac {1}{4} \left (3 a^{2/3}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a+b x^2}\right )+\frac {1}{4} (3 a) \text {Subst}\left (\int \frac {1}{a^{2/3}+\sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a+b x^2}\right )\\ &=\frac {3}{4} \left (a+b x^2\right )^{2/3}-\frac {1}{2} a^{2/3} \log (x)+\frac {3}{4} a^{2/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x^2}\right )-\frac {1}{2} \left (3 a^{2/3}\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+\frac {2 \sqrt [3]{a+b x^2}}{\sqrt [3]{a}}\right )\\ &=\frac {3}{4} \left (a+b x^2\right )^{2/3}+\frac {1}{2} \sqrt {3} a^{2/3} \tan ^{-1}\left (\frac {1+\frac {2 \sqrt [3]{a+b x^2}}{\sqrt [3]{a}}}{\sqrt {3}}\right )-\frac {1}{2} a^{2/3} \log (x)+\frac {3}{4} a^{2/3} \log \left (\sqrt [3]{a}-\sqrt [3]{a+b x^2}\right )\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 126, normalized size = 1.25 \begin {gather*} \frac {1}{4} \left (3 \left (a+b x^2\right )^{2/3}+2 \sqrt {3} a^{2/3} \tan ^{-1}\left (\frac {1+\frac {2 \sqrt [3]{a+b x^2}}{\sqrt [3]{a}}}{\sqrt {3}}\right )+2 a^{2/3} \log \left (-\sqrt [3]{a}+\sqrt [3]{a+b x^2}\right )-a^{2/3} \log \left (a^{2/3}+\sqrt [3]{a} \sqrt [3]{a+b x^2}+\left (a+b x^2\right )^{2/3}\right )\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {\left (b \,x^{2}+a \right )^{\frac {2}{3}}}{x}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.49, size = 97, normalized size = 0.96 \begin {gather*} \frac {1}{2} \, \sqrt {3} a^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3} {\left (2 \, {\left (b x^{2} + a\right )}^{\frac {1}{3}} + a^{\frac {1}{3}}\right )}}{3 \, a^{\frac {1}{3}}}\right ) - \frac {1}{4} \, a^{\frac {2}{3}} \log \left ({\left (b x^{2} + a\right )}^{\frac {2}{3}} + {\left (b x^{2} + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + a^{\frac {2}{3}}\right ) + \frac {1}{2} \, a^{\frac {2}{3}} \log \left ({\left (b x^{2} + a\right )}^{\frac {1}{3}} - a^{\frac {1}{3}}\right ) + \frac {3}{4} \, {\left (b x^{2} + a\right )}^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.98, size = 122, normalized size = 1.21 \begin {gather*} \frac {1}{2} \, \sqrt {3} {\left (a^{2}\right )}^{\frac {1}{3}} \arctan \left (\frac {\sqrt {3} a + 2 \, \sqrt {3} {\left (b x^{2} + a\right )}^{\frac {1}{3}} {\left (a^{2}\right )}^{\frac {1}{3}}}{3 \, a}\right ) - \frac {1}{4} \, {\left (a^{2}\right )}^{\frac {1}{3}} \log \left ({\left (b x^{2} + a\right )}^{\frac {2}{3}} a + {\left (a^{2}\right )}^{\frac {1}{3}} a + {\left (b x^{2} + a\right )}^{\frac {1}{3}} {\left (a^{2}\right )}^{\frac {2}{3}}\right ) + \frac {1}{2} \, {\left (a^{2}\right )}^{\frac {1}{3}} \log \left ({\left (b x^{2} + a\right )}^{\frac {1}{3}} a - {\left (a^{2}\right )}^{\frac {2}{3}}\right ) + \frac {3}{4} \, {\left (b x^{2} + a\right )}^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] Result contains complex when optimal does not.
time = 0.56, size = 46, normalized size = 0.46 \begin {gather*} - \frac {b^{\frac {2}{3}} x^{\frac {4}{3}} \Gamma \left (- \frac {2}{3}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {2}{3}, - \frac {2}{3} \\ \frac {1}{3} \end {matrix}\middle | {\frac {a e^{i \pi }}{b x^{2}}} \right )}}{2 \Gamma \left (\frac {1}{3}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.12, size = 98, normalized size = 0.97 \begin {gather*} \frac {1}{2} \, \sqrt {3} a^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3} {\left (2 \, {\left (b x^{2} + a\right )}^{\frac {1}{3}} + a^{\frac {1}{3}}\right )}}{3 \, a^{\frac {1}{3}}}\right ) - \frac {1}{4} \, a^{\frac {2}{3}} \log \left ({\left (b x^{2} + a\right )}^{\frac {2}{3}} + {\left (b x^{2} + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + a^{\frac {2}{3}}\right ) + \frac {1}{2} \, a^{\frac {2}{3}} \log \left ({\left | {\left (b x^{2} + a\right )}^{\frac {1}{3}} - a^{\frac {1}{3}} \right |}\right ) + \frac {3}{4} \, {\left (b x^{2} + a\right )}^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.67, size = 125, normalized size = 1.24 \begin {gather*} \frac {3\,{\left (b\,x^2+a\right )}^{2/3}}{4}+\frac {a^{2/3}\,\ln \left (\frac {9\,a^2\,{\left (b\,x^2+a\right )}^{1/3}}{4}-\frac {9\,a^{7/3}}{4}\right )}{2}-\frac {a^{2/3}\,\ln \left (\frac {9\,a^2\,{\left (b\,x^2+a\right )}^{1/3}}{4}-\frac {9\,a^{7/3}\,{\left (\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}^2}{4}\right )\,\left (\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{2}+a^{2/3}\,\ln \left (\frac {9\,a^2\,{\left (b\,x^2+a\right )}^{1/3}}{4}-9\,a^{7/3}\,{\left (-\frac {1}{4}+\frac {\sqrt {3}\,1{}\mathrm {i}}{4}\right )}^2\right )\,\left (-\frac {1}{4}+\frac {\sqrt {3}\,1{}\mathrm {i}}{4}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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