Optimal. Leaf size=142 \[ -\frac{\left (3 b^2-8 a c\right ) \sqrt{a+b x^3+c x^6}}{3 a^2 x^3 \left (b^2-4 a c\right )}+\frac{b \tanh ^{-1}\left (\frac{2 a+b x^3}{2 \sqrt{a} \sqrt{a+b x^3+c x^6}}\right )}{2 a^{5/2}}+\frac{2 \left (-2 a c+b^2+b c x^3\right )}{3 a x^3 \left (b^2-4 a c\right ) \sqrt{a+b x^3+c x^6}} \]
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Rubi [A] time = 0.124031, antiderivative size = 142, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {1357, 740, 806, 724, 206} \[ -\frac{\left (3 b^2-8 a c\right ) \sqrt{a+b x^3+c x^6}}{3 a^2 x^3 \left (b^2-4 a c\right )}+\frac{b \tanh ^{-1}\left (\frac{2 a+b x^3}{2 \sqrt{a} \sqrt{a+b x^3+c x^6}}\right )}{2 a^{5/2}}+\frac{2 \left (-2 a c+b^2+b c x^3\right )}{3 a x^3 \left (b^2-4 a c\right ) \sqrt{a+b x^3+c x^6}} \]
Antiderivative was successfully verified.
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Rule 1357
Rule 740
Rule 806
Rule 724
Rule 206
Rubi steps
\begin{align*} \int \frac{1}{x^4 \left (a+b x^3+c x^6\right )^{3/2}} \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int \frac{1}{x^2 \left (a+b x+c x^2\right )^{3/2}} \, dx,x,x^3\right )\\ &=\frac{2 \left (b^2-2 a c+b c x^3\right )}{3 a \left (b^2-4 a c\right ) x^3 \sqrt{a+b x^3+c x^6}}-\frac{2 \operatorname{Subst}\left (\int \frac{\frac{1}{2} \left (-3 b^2+8 a c\right )-b c x}{x^2 \sqrt{a+b x+c x^2}} \, dx,x,x^3\right )}{3 a \left (b^2-4 a c\right )}\\ &=\frac{2 \left (b^2-2 a c+b c x^3\right )}{3 a \left (b^2-4 a c\right ) x^3 \sqrt{a+b x^3+c x^6}}-\frac{\left (3 b^2-8 a c\right ) \sqrt{a+b x^3+c x^6}}{3 a^2 \left (b^2-4 a c\right ) x^3}-\frac{b \operatorname{Subst}\left (\int \frac{1}{x \sqrt{a+b x+c x^2}} \, dx,x,x^3\right )}{2 a^2}\\ &=\frac{2 \left (b^2-2 a c+b c x^3\right )}{3 a \left (b^2-4 a c\right ) x^3 \sqrt{a+b x^3+c x^6}}-\frac{\left (3 b^2-8 a c\right ) \sqrt{a+b x^3+c x^6}}{3 a^2 \left (b^2-4 a c\right ) x^3}+\frac{b \operatorname{Subst}\left (\int \frac{1}{4 a-x^2} \, dx,x,\frac{2 a+b x^3}{\sqrt{a+b x^3+c x^6}}\right )}{a^2}\\ &=\frac{2 \left (b^2-2 a c+b c x^3\right )}{3 a \left (b^2-4 a c\right ) x^3 \sqrt{a+b x^3+c x^6}}-\frac{\left (3 b^2-8 a c\right ) \sqrt{a+b x^3+c x^6}}{3 a^2 \left (b^2-4 a c\right ) x^3}+\frac{b \tanh ^{-1}\left (\frac{2 a+b x^3}{2 \sqrt{a} \sqrt{a+b x^3+c x^6}}\right )}{2 a^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0845054, size = 137, normalized size = 0.96 \[ \frac{\frac{2 \sqrt{a} \left (-4 a^2 c+a \left (b^2-10 b c x^3-8 c^2 x^6\right )+3 b^2 x^3 \left (b+c x^3\right )\right )}{x^3 \sqrt{a+b x^3+c x^6}}-3 b \left (b^2-4 a c\right ) \tanh ^{-1}\left (\frac{2 a+b x^3}{2 \sqrt{a} \sqrt{a+b x^3+c x^6}}\right )}{6 a^{5/2} \left (4 a c-b^2\right )} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.038, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{{x}^{4}} \left ( c{x}^{6}+b{x}^{3}+a \right ) ^{-{\frac{3}{2}}}}\, dx \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 = 2.13855, size = 1026, normalized size = 7.23 \begin{align*} \left [\frac{3 \,{\left ({\left (b^{3} c - 4 \, a b c^{2}\right )} x^{9} +{\left (b^{4} - 4 \, a b^{2} c\right )} x^{6} +{\left (a b^{3} - 4 \, a^{2} b c\right )} x^{3}\right )} \sqrt{a} \log \left (-\frac{{\left (b^{2} + 4 \, a c\right )} x^{6} + 8 \, a b x^{3} + 4 \, \sqrt{c x^{6} + b x^{3} + a}{\left (b x^{3} + 2 \, a\right )} \sqrt{a} + 8 \, a^{2}}{x^{6}}\right ) - 4 \,{\left ({\left (3 \, a b^{2} c - 8 \, a^{2} c^{2}\right )} x^{6} + a^{2} b^{2} - 4 \, a^{3} c +{\left (3 \, a b^{3} - 10 \, a^{2} b c\right )} x^{3}\right )} \sqrt{c x^{6} + b x^{3} + a}}{12 \,{\left ({\left (a^{3} b^{2} c - 4 \, a^{4} c^{2}\right )} x^{9} +{\left (a^{3} b^{3} - 4 \, a^{4} b c\right )} x^{6} +{\left (a^{4} b^{2} - 4 \, a^{5} c\right )} x^{3}\right )}}, -\frac{3 \,{\left ({\left (b^{3} c - 4 \, a b c^{2}\right )} x^{9} +{\left (b^{4} - 4 \, a b^{2} c\right )} x^{6} +{\left (a b^{3} - 4 \, a^{2} b c\right )} x^{3}\right )} \sqrt{-a} \arctan \left (\frac{\sqrt{c x^{6} + b x^{3} + a}{\left (b x^{3} + 2 \, a\right )} \sqrt{-a}}{2 \,{\left (a c x^{6} + a b x^{3} + a^{2}\right )}}\right ) + 2 \,{\left ({\left (3 \, a b^{2} c - 8 \, a^{2} c^{2}\right )} x^{6} + a^{2} b^{2} - 4 \, a^{3} c +{\left (3 \, a b^{3} - 10 \, a^{2} b c\right )} x^{3}\right )} \sqrt{c x^{6} + b x^{3} + a}}{6 \,{\left ({\left (a^{3} b^{2} c - 4 \, a^{4} c^{2}\right )} x^{9} +{\left (a^{3} b^{3} - 4 \, a^{4} b c\right )} x^{6} +{\left (a^{4} b^{2} - 4 \, a^{5} c\right )} x^{3}\right )}}\right ] \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{1}{x^{4} \left (a + b x^{3} + c x^{6}\right )^{\frac{3}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (c x^{6} + b x^{3} + a\right )}^{\frac{3}{2}} x^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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