Optimal. Leaf size=48 \[ \frac {2}{27} \left (3 x^2-1\right )^{3/4}+\frac {2}{9} \tan ^{-1}\left (\sqrt [4]{3 x^2-1}\right )-\frac {2}{9} \tanh ^{-1}\left (\sqrt [4]{3 x^2-1}\right ) \]
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Rubi [A] time = 0.03, antiderivative size = 48, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {446, 80, 63, 298, 203, 206} \[ \frac {2}{27} \left (3 x^2-1\right )^{3/4}+\frac {2}{9} \tan ^{-1}\left (\sqrt [4]{3 x^2-1}\right )-\frac {2}{9} \tanh ^{-1}\left (\sqrt [4]{3 x^2-1}\right ) \]
Antiderivative was successfully verified.
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Rule 63
Rule 80
Rule 203
Rule 206
Rule 298
Rule 446
Rubi steps
\begin {align*} \int \frac {x^3}{\left (-2+3 x^2\right ) \sqrt [4]{-1+3 x^2}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x}{(-2+3 x) \sqrt [4]{-1+3 x}} \, dx,x,x^2\right )\\ &=\frac {2}{27} \left (-1+3 x^2\right )^{3/4}+\frac {1}{3} \operatorname {Subst}\left (\int \frac {1}{(-2+3 x) \sqrt [4]{-1+3 x}} \, dx,x,x^2\right )\\ &=\frac {2}{27} \left (-1+3 x^2\right )^{3/4}+\frac {4}{9} \operatorname {Subst}\left (\int \frac {x^2}{-1+x^4} \, dx,x,\sqrt [4]{-1+3 x^2}\right )\\ &=\frac {2}{27} \left (-1+3 x^2\right )^{3/4}-\frac {2}{9} \operatorname {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\sqrt [4]{-1+3 x^2}\right )+\frac {2}{9} \operatorname {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\sqrt [4]{-1+3 x^2}\right )\\ &=\frac {2}{27} \left (-1+3 x^2\right )^{3/4}+\frac {2}{9} \tan ^{-1}\left (\sqrt [4]{-1+3 x^2}\right )-\frac {2}{9} \tanh ^{-1}\left (\sqrt [4]{-1+3 x^2}\right )\\ \end {align*}
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Mathematica [A] time = 0.01, size = 44, normalized size = 0.92 \[ \frac {2}{27} \left (\left (3 x^2-1\right )^{3/4}+3 \tan ^{-1}\left (\sqrt [4]{3 x^2-1}\right )-3 \tanh ^{-1}\left (\sqrt [4]{3 x^2-1}\right )\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.98, size = 52, normalized size = 1.08 \[ \frac {2}{27} \, {\left (3 \, x^{2} - 1\right )}^{\frac {3}{4}} + \frac {2}{9} \, \arctan \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}}\right ) - \frac {1}{9} \, \log \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} + 1\right ) + \frac {1}{9} \, \log \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.48, size = 53, normalized size = 1.10 \[ \frac {2}{27} \, {\left (3 \, x^{2} - 1\right )}^{\frac {3}{4}} + \frac {2}{9} \, \arctan \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}}\right ) - \frac {1}{9} \, \log \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} + 1\right ) + \frac {1}{9} \, \log \left ({\left | {\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} - 1 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 1.01, size = 136, normalized size = 2.83 \[ -\frac {\RootOf \left (\textit {\_Z}^{2}+1\right ) \ln \left (\frac {-3 x^{2}+2 \left (3 x^{2}-1\right )^{\frac {3}{4}} \RootOf \left (\textit {\_Z}^{2}+1\right )-2 \left (3 x^{2}-1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{2}+1\right )+2 \sqrt {3 x^{2}-1}}{3 x^{2}-2}\right )}{9}-\frac {\ln \left (-\frac {3 x^{2}+2 \left (3 x^{2}-1\right )^{\frac {3}{4}}+2 \sqrt {3 x^{2}-1}+2 \left (3 x^{2}-1\right )^{\frac {1}{4}}}{3 x^{2}-2}\right )}{9}+\frac {2 \left (3 x^{2}-1\right )^{\frac {3}{4}}}{27} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.99, size = 52, normalized size = 1.08 \[ \frac {2}{27} \, {\left (3 \, x^{2} - 1\right )}^{\frac {3}{4}} + \frac {2}{9} \, \arctan \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}}\right ) - \frac {1}{9} \, \log \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} + 1\right ) + \frac {1}{9} \, \log \left ({\left (3 \, x^{2} - 1\right )}^{\frac {1}{4}} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.86, size = 36, normalized size = 0.75 \[ \frac {2\,\mathrm {atan}\left ({\left (3\,x^2-1\right )}^{1/4}\right )}{9}-\frac {2\,\mathrm {atanh}\left ({\left (3\,x^2-1\right )}^{1/4}\right )}{9}+\frac {2\,{\left (3\,x^2-1\right )}^{3/4}}{27} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 14.21, size = 58, normalized size = 1.21 \[ \frac {2 \left (3 x^{2} - 1\right )^{\frac {3}{4}}}{27} + \frac {\log {\left (\sqrt [4]{3 x^{2} - 1} - 1 \right )}}{9} - \frac {\log {\left (\sqrt [4]{3 x^{2} - 1} + 1 \right )}}{9} + \frac {2 \operatorname {atan}{\left (\sqrt [4]{3 x^{2} - 1} \right )}}{9} \]
Verification of antiderivative is not currently implemented for this CAS.
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