Optimal. Leaf size=153 \[ \frac {a^{2/3} \log \left (a-b x^3\right )}{3 \sqrt [3]{2} b d}-\frac {a^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+b x^3}\right )}{\sqrt [3]{2} b d}-\frac {2^{2/3} a^{2/3} \tan ^{-1}\left (\frac {2^{2/3} \sqrt [3]{a+b x^3}+\sqrt [3]{a}}{\sqrt {3} \sqrt [3]{a}}\right )}{\sqrt {3} b d}-\frac {\left (a+b x^3\right )^{2/3}}{2 b d} \]
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Rubi [A] time = 0.13, antiderivative size = 153, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {444, 50, 55, 617, 204, 31} \[ \frac {a^{2/3} \log \left (a-b x^3\right )}{3 \sqrt [3]{2} b d}-\frac {a^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+b x^3}\right )}{\sqrt [3]{2} b d}-\frac {2^{2/3} a^{2/3} \tan ^{-1}\left (\frac {2^{2/3} \sqrt [3]{a+b x^3}+\sqrt [3]{a}}{\sqrt {3} \sqrt [3]{a}}\right )}{\sqrt {3} b d}-\frac {\left (a+b x^3\right )^{2/3}}{2 b d} \]
Antiderivative was successfully verified.
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Rule 31
Rule 50
Rule 55
Rule 204
Rule 444
Rule 617
Rubi steps
\begin {align*} \int \frac {x^2 \left (a+b x^3\right )^{2/3}}{a d-b d x^3} \, dx &=\frac {1}{3} \operatorname {Subst}\left (\int \frac {(a+b x)^{2/3}}{a d-b d x} \, dx,x,x^3\right )\\ &=-\frac {\left (a+b x^3\right )^{2/3}}{2 b d}+\frac {1}{3} (2 a) \operatorname {Subst}\left (\int \frac {1}{\sqrt [3]{a+b x} (a d-b d x)} \, dx,x,x^3\right )\\ &=-\frac {\left (a+b x^3\right )^{2/3}}{2 b d}+\frac {a^{2/3} \log \left (a-b x^3\right )}{3 \sqrt [3]{2} b d}+\frac {a^{2/3} \operatorname {Subst}\left (\int \frac {1}{\sqrt [3]{2} \sqrt [3]{a}-x} \, dx,x,\sqrt [3]{a+b x^3}\right )}{\sqrt [3]{2} b d}-\frac {a \operatorname {Subst}\left (\int \frac {1}{2^{2/3} a^{2/3}+\sqrt [3]{2} \sqrt [3]{a} x+x^2} \, dx,x,\sqrt [3]{a+b x^3}\right )}{b d}\\ &=-\frac {\left (a+b x^3\right )^{2/3}}{2 b d}+\frac {a^{2/3} \log \left (a-b x^3\right )}{3 \sqrt [3]{2} b d}-\frac {a^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+b x^3}\right )}{\sqrt [3]{2} b d}+\frac {\left (2^{2/3} a^{2/3}\right ) \operatorname {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1+\frac {2^{2/3} \sqrt [3]{a+b x^3}}{\sqrt [3]{a}}\right )}{b d}\\ &=-\frac {\left (a+b x^3\right )^{2/3}}{2 b d}-\frac {2^{2/3} a^{2/3} \tan ^{-1}\left (\frac {1+\frac {2^{2/3} \sqrt [3]{a+b x^3}}{\sqrt [3]{a}}}{\sqrt {3}}\right )}{\sqrt {3} b d}+\frac {a^{2/3} \log \left (a-b x^3\right )}{3 \sqrt [3]{2} b d}-\frac {a^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+b x^3}\right )}{\sqrt [3]{2} b d}\\ \end {align*}
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Mathematica [A] time = 0.09, size = 130, normalized size = 0.85 \[ \frac {2^{2/3} a^{2/3} \log \left (a-b x^3\right )-3 \left (2^{2/3} a^{2/3} \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+b x^3}\right )+\left (a+b x^3\right )^{2/3}\right )-2\ 2^{2/3} \sqrt {3} a^{2/3} \tan ^{-1}\left (\frac {\frac {2^{2/3} \sqrt [3]{a+b x^3}}{\sqrt [3]{a}}+1}{\sqrt {3}}\right )}{6 b d} \]
Antiderivative was successfully verified.
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fricas [A] time = 1.44, size = 167, normalized size = 1.09 \[ -\frac {2 \cdot 4^{\frac {1}{3}} \sqrt {3} \left (-a^{2}\right )^{\frac {1}{3}} \arctan \left (\frac {4^{\frac {1}{3}} \sqrt {3} {\left (b x^{3} + a\right )}^{\frac {1}{3}} \left (-a^{2}\right )^{\frac {1}{3}} - \sqrt {3} a}{3 \, a}\right ) + 4^{\frac {1}{3}} \left (-a^{2}\right )^{\frac {1}{3}} \log \left (4^{\frac {2}{3}} {\left (b x^{3} + a\right )}^{\frac {1}{3}} \left (-a^{2}\right )^{\frac {2}{3}} + 2 \, {\left (b x^{3} + a\right )}^{\frac {2}{3}} a - 2 \cdot 4^{\frac {1}{3}} \left (-a^{2}\right )^{\frac {1}{3}} a\right ) - 2 \cdot 4^{\frac {1}{3}} \left (-a^{2}\right )^{\frac {1}{3}} \log \left (-4^{\frac {2}{3}} \left (-a^{2}\right )^{\frac {2}{3}} + 2 \, {\left (b x^{3} + a\right )}^{\frac {1}{3}} a\right ) + 3 \, {\left (b x^{3} + a\right )}^{\frac {2}{3}}}{6 \, b d} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: NotImplementedError} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.62, size = 0, normalized size = 0.00 \[ \int \frac {\left (b \,x^{3}+a \right )^{\frac {2}{3}} x^{2}}{-b d \,x^{3}+a d}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.31, size = 140, normalized size = 0.92 \[ -\frac {\frac {2 \, \sqrt {3} 2^{\frac {2}{3}} a^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3} 2^{\frac {2}{3}} {\left (2^{\frac {1}{3}} a^{\frac {1}{3}} + 2 \, {\left (b x^{3} + a\right )}^{\frac {1}{3}}\right )}}{6 \, a^{\frac {1}{3}}}\right )}{d} - \frac {2^{\frac {2}{3}} a^{\frac {2}{3}} \log \left (2^{\frac {2}{3}} a^{\frac {2}{3}} + 2^{\frac {1}{3}} {\left (b x^{3} + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (b x^{3} + a\right )}^{\frac {2}{3}}\right )}{d} + \frac {2 \cdot 2^{\frac {2}{3}} a^{\frac {2}{3}} \log \left (-2^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (b x^{3} + a\right )}^{\frac {1}{3}}\right )}{d} + \frac {3 \, {\left (b x^{3} + a\right )}^{\frac {2}{3}}}{d}}{6 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.83, size = 186, normalized size = 1.22 \[ -\frac {{\left (b\,x^3+a\right )}^{2/3}}{2\,b\,d}-\frac {4^{1/3}\,a^{2/3}\,\ln \left ({\left (b\,x^3+a\right )}^{1/3}-2^{1/3}\,a^{1/3}\right )}{3\,b\,d}-\frac {4^{1/3}\,a^{2/3}\,\ln \left (\frac {4\,a^2\,{\left (b\,x^3+a\right )}^{1/3}}{b^2\,d^2}-\frac {2\,4^{2/3}\,a^{7/3}\,{\left (-\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}^2}{b^2\,d^2}\right )\,\left (-\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{3\,b\,d}+\frac {4^{1/3}\,a^{2/3}\,\ln \left (\frac {4\,a^2\,{\left (b\,x^3+a\right )}^{1/3}}{b^2\,d^2}-\frac {18\,4^{2/3}\,a^{7/3}\,{\left (\frac {1}{6}+\frac {\sqrt {3}\,1{}\mathrm {i}}{6}\right )}^2}{b^2\,d^2}\right )\,\left (\frac {1}{6}+\frac {\sqrt {3}\,1{}\mathrm {i}}{6}\right )}{b\,d} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ - \frac {\int \frac {x^{2} \left (a + b x^{3}\right )^{\frac {2}{3}}}{- a + b x^{3}}\, dx}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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