Optimal. Leaf size=18 \[ -\frac{1}{21 \left (a+b x^3+c x^6\right )^7} \]
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Rubi [A] time = 0.023087, antiderivative size = 18, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 26, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {1468, 629} \[ -\frac{1}{21 \left (a+b x^3+c x^6\right )^7} \]
Antiderivative was successfully verified.
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Rule 1468
Rule 629
Rubi steps
\begin{align*} \int \frac{x^2 \left (b+2 c x^3\right )}{\left (a+b x^3+c x^6\right )^8} \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int \frac{b+2 c x}{\left (a+b x+c x^2\right )^8} \, dx,x,x^3\right )\\ &=-\frac{1}{21 \left (a+b x^3+c x^6\right )^7}\\ \end{align*}
Mathematica [A] time = 0.0130597, size = 18, normalized size = 1. \[ -\frac{1}{21 \left (a+b x^3+c x^6\right )^7} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 17, normalized size = 0.9 \begin{align*} -{\frac{1}{21\, \left ( c{x}^{6}+b{x}^{3}+a \right ) ^{7}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] time = 1.70515, size = 475, normalized size = 26.39 \begin{align*} -\frac{1}{21 \,{\left (c^{7} x^{42} + 7 \, b c^{6} x^{39} + 7 \,{\left (3 \, b^{2} c^{5} + a c^{6}\right )} x^{36} + 7 \,{\left (5 \, b^{3} c^{4} + 6 \, a b c^{5}\right )} x^{33} + 7 \,{\left (5 \, b^{4} c^{3} + 15 \, a b^{2} c^{4} + 3 \, a^{2} c^{5}\right )} x^{30} + 7 \,{\left (3 \, b^{5} c^{2} + 20 \, a b^{3} c^{3} + 15 \, a^{2} b c^{4}\right )} x^{27} + 7 \,{\left (b^{6} c + 15 \, a b^{4} c^{2} + 30 \, a^{2} b^{2} c^{3} + 5 \, a^{3} c^{4}\right )} x^{24} +{\left (b^{7} + 42 \, a b^{5} c + 210 \, a^{2} b^{3} c^{2} + 140 \, a^{3} b c^{3}\right )} x^{21} + 7 \,{\left (a b^{6} + 15 \, a^{2} b^{4} c + 30 \, a^{3} b^{2} c^{2} + 5 \, a^{4} c^{3}\right )} x^{18} + 7 \,{\left (3 \, a^{2} b^{5} + 20 \, a^{3} b^{3} c + 15 \, a^{4} b c^{2}\right )} x^{15} + 7 \,{\left (5 \, a^{3} b^{4} + 15 \, a^{4} b^{2} c + 3 \, a^{5} c^{2}\right )} x^{12} + 7 \, a^{6} b x^{3} + 7 \,{\left (5 \, a^{4} b^{3} + 6 \, a^{5} b c\right )} x^{9} + a^{7} + 7 \,{\left (3 \, a^{5} b^{2} + a^{6} c\right )} x^{6}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.26847, size = 749, normalized size = 41.61 \begin{align*} -\frac{1}{21 \,{\left (c^{7} x^{42} + 7 \, b c^{6} x^{39} + 7 \,{\left (3 \, b^{2} c^{5} + a c^{6}\right )} x^{36} + 7 \,{\left (5 \, b^{3} c^{4} + 6 \, a b c^{5}\right )} x^{33} + 7 \,{\left (5 \, b^{4} c^{3} + 15 \, a b^{2} c^{4} + 3 \, a^{2} c^{5}\right )} x^{30} + 7 \,{\left (3 \, b^{5} c^{2} + 20 \, a b^{3} c^{3} + 15 \, a^{2} b c^{4}\right )} x^{27} + 7 \,{\left (b^{6} c + 15 \, a b^{4} c^{2} + 30 \, a^{2} b^{2} c^{3} + 5 \, a^{3} c^{4}\right )} x^{24} +{\left (b^{7} + 42 \, a b^{5} c + 210 \, a^{2} b^{3} c^{2} + 140 \, a^{3} b c^{3}\right )} x^{21} + 7 \,{\left (a b^{6} + 15 \, a^{2} b^{4} c + 30 \, a^{3} b^{2} c^{2} + 5 \, a^{4} c^{3}\right )} x^{18} + 7 \,{\left (3 \, a^{2} b^{5} + 20 \, a^{3} b^{3} c + 15 \, a^{4} b c^{2}\right )} x^{15} + 7 \,{\left (5 \, a^{3} b^{4} + 15 \, a^{4} b^{2} c + 3 \, a^{5} c^{2}\right )} x^{12} + 7 \, a^{6} b x^{3} + 7 \,{\left (5 \, a^{4} b^{3} + 6 \, a^{5} b c\right )} x^{9} + a^{7} + 7 \,{\left (3 \, a^{5} b^{2} + a^{6} c\right )} x^{6}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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