Optimal. Leaf size=208 \[ \frac{x^9 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{9 b^4}-\frac{a x^6 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{6 b^5}+\frac{a^2 x^3 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{3 b^6}-\frac{a^3 \log \left (a+b x^3\right ) \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{3 b^7}+\frac{x^{12} \left (a^2 f-a b e+b^2 d\right )}{12 b^3}+\frac{x^{15} (b e-a f)}{15 b^2}+\frac{f x^{18}}{18 b} \]
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Rubi [A] time = 0.315686, antiderivative size = 208, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 30, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {1821, 1620} \[ \frac{x^9 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{9 b^4}-\frac{a x^6 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{6 b^5}+\frac{a^2 x^3 \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{3 b^6}-\frac{a^3 \log \left (a+b x^3\right ) \left (a^2 b e+a^3 (-f)-a b^2 d+b^3 c\right )}{3 b^7}+\frac{x^{12} \left (a^2 f-a b e+b^2 d\right )}{12 b^3}+\frac{x^{15} (b e-a f)}{15 b^2}+\frac{f x^{18}}{18 b} \]
Antiderivative was successfully verified.
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Rule 1821
Rule 1620
Rubi steps
\begin{align*} \int \frac{x^{11} \left (c+d x^3+e x^6+f x^9\right )}{a+b x^3} \, dx &=\frac{1}{3} \operatorname{Subst}\left (\int \frac{x^3 \left (c+d x+e x^2+f x^3\right )}{a+b x} \, dx,x,x^3\right )\\ &=\frac{1}{3} \operatorname{Subst}\left (\int \left (-\frac{a^2 \left (-b^3 c+a b^2 d-a^2 b e+a^3 f\right )}{b^6}+\frac{a \left (-b^3 c+a b^2 d-a^2 b e+a^3 f\right ) x}{b^5}+\frac{\left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) x^2}{b^4}+\frac{\left (b^2 d-a b e+a^2 f\right ) x^3}{b^3}+\frac{(b e-a f) x^4}{b^2}+\frac{f x^5}{b}+\frac{a^3 \left (-b^3 c+a b^2 d-a^2 b e+a^3 f\right )}{b^6 (a+b x)}\right ) \, dx,x,x^3\right )\\ &=\frac{a^2 \left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) x^3}{3 b^6}-\frac{a \left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) x^6}{6 b^5}+\frac{\left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) x^9}{9 b^4}+\frac{\left (b^2 d-a b e+a^2 f\right ) x^{12}}{12 b^3}+\frac{(b e-a f) x^{15}}{15 b^2}+\frac{f x^{18}}{18 b}-\frac{a^3 \left (b^3 c-a b^2 d+a^2 b e-a^3 f\right ) \log \left (a+b x^3\right )}{3 b^7}\\ \end{align*}
Mathematica [A] time = 0.0902507, size = 187, normalized size = 0.9 \[ \frac{b x^3 \left (5 a^2 b^3 \left (12 c+6 d x^3+4 e x^6+3 f x^9\right )-10 a^3 b^2 \left (6 d+3 e x^3+2 f x^6\right )+30 a^4 b \left (2 e+f x^3\right )-60 a^5 f-a b^4 x^3 \left (30 c+20 d x^3+15 e x^6+12 f x^9\right )+b^5 x^6 \left (20 c+15 d x^3+12 e x^6+10 f x^9\right )\right )+60 a^3 \log \left (a+b x^3\right ) \left (-a^2 b e+a^3 f+a b^2 d-b^3 c\right )}{180 b^7} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 266, normalized size = 1.3 \begin{align*}{\frac{f{x}^{18}}{18\,b}}-{\frac{{x}^{15}af}{15\,{b}^{2}}}+{\frac{{x}^{15}e}{15\,b}}+{\frac{{x}^{12}{a}^{2}f}{12\,{b}^{3}}}-{\frac{{x}^{12}ae}{12\,{b}^{2}}}+{\frac{{x}^{12}d}{12\,b}}-{\frac{{x}^{9}{a}^{3}f}{9\,{b}^{4}}}+{\frac{{x}^{9}{a}^{2}e}{9\,{b}^{3}}}-{\frac{{x}^{9}ad}{9\,{b}^{2}}}+{\frac{{x}^{9}c}{9\,b}}+{\frac{{x}^{6}{a}^{4}f}{6\,{b}^{5}}}-{\frac{{a}^{3}e{x}^{6}}{6\,{b}^{4}}}+{\frac{{a}^{2}d{x}^{6}}{6\,{b}^{3}}}-{\frac{ac{x}^{6}}{6\,{b}^{2}}}-{\frac{{a}^{5}f{x}^{3}}{3\,{b}^{6}}}+{\frac{{a}^{4}e{x}^{3}}{3\,{b}^{5}}}-{\frac{{a}^{3}d{x}^{3}}{3\,{b}^{4}}}+{\frac{{a}^{2}c{x}^{3}}{3\,{b}^{3}}}+{\frac{{a}^{6}\ln \left ( b{x}^{3}+a \right ) f}{3\,{b}^{7}}}-{\frac{{a}^{5}\ln \left ( b{x}^{3}+a \right ) e}{3\,{b}^{6}}}+{\frac{{a}^{4}\ln \left ( b{x}^{3}+a \right ) d}{3\,{b}^{5}}}-{\frac{{a}^{3}\ln \left ( b{x}^{3}+a \right ) c}{3\,{b}^{4}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.956447, size = 282, normalized size = 1.36 \begin{align*} \frac{10 \, b^{5} f x^{18} + 12 \,{\left (b^{5} e - a b^{4} f\right )} x^{15} + 15 \,{\left (b^{5} d - a b^{4} e + a^{2} b^{3} f\right )} x^{12} + 20 \,{\left (b^{5} c - a b^{4} d + a^{2} b^{3} e - a^{3} b^{2} f\right )} x^{9} - 30 \,{\left (a b^{4} c - a^{2} b^{3} d + a^{3} b^{2} e - a^{4} b f\right )} x^{6} + 60 \,{\left (a^{2} b^{3} c - a^{3} b^{2} d + a^{4} b e - a^{5} f\right )} x^{3}}{180 \, b^{6}} - \frac{{\left (a^{3} b^{3} c - a^{4} b^{2} d + a^{5} b e - a^{6} f\right )} \log \left (b x^{3} + a\right )}{3 \, b^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.27343, size = 429, normalized size = 2.06 \begin{align*} \frac{10 \, b^{6} f x^{18} + 12 \,{\left (b^{6} e - a b^{5} f\right )} x^{15} + 15 \,{\left (b^{6} d - a b^{5} e + a^{2} b^{4} f\right )} x^{12} + 20 \,{\left (b^{6} c - a b^{5} d + a^{2} b^{4} e - a^{3} b^{3} f\right )} x^{9} - 30 \,{\left (a b^{5} c - a^{2} b^{4} d + a^{3} b^{3} e - a^{4} b^{2} f\right )} x^{6} + 60 \,{\left (a^{2} b^{4} c - a^{3} b^{3} d + a^{4} b^{2} e - a^{5} b f\right )} x^{3} - 60 \,{\left (a^{3} b^{3} c - a^{4} b^{2} d + a^{5} b e - a^{6} f\right )} \log \left (b x^{3} + a\right )}{180 \, b^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.16717, size = 192, normalized size = 0.92 \begin{align*} \frac{a^{3} \left (a^{3} f - a^{2} b e + a b^{2} d - b^{3} c\right ) \log{\left (a + b x^{3} \right )}}{3 b^{7}} + \frac{f x^{18}}{18 b} - \frac{x^{15} \left (a f - b e\right )}{15 b^{2}} + \frac{x^{12} \left (a^{2} f - a b e + b^{2} d\right )}{12 b^{3}} - \frac{x^{9} \left (a^{3} f - a^{2} b e + a b^{2} d - b^{3} c\right )}{9 b^{4}} + \frac{x^{6} \left (a^{4} f - a^{3} b e + a^{2} b^{2} d - a b^{3} c\right )}{6 b^{5}} - \frac{x^{3} \left (a^{5} f - a^{4} b e + a^{3} b^{2} d - a^{2} b^{3} c\right )}{3 b^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.05679, size = 332, normalized size = 1.6 \begin{align*} \frac{10 \, b^{5} f x^{18} - 12 \, a b^{4} f x^{15} + 12 \, b^{5} x^{15} e + 15 \, b^{5} d x^{12} + 15 \, a^{2} b^{3} f x^{12} - 15 \, a b^{4} x^{12} e + 20 \, b^{5} c x^{9} - 20 \, a b^{4} d x^{9} - 20 \, a^{3} b^{2} f x^{9} + 20 \, a^{2} b^{3} x^{9} e - 30 \, a b^{4} c x^{6} + 30 \, a^{2} b^{3} d x^{6} + 30 \, a^{4} b f x^{6} - 30 \, a^{3} b^{2} x^{6} e + 60 \, a^{2} b^{3} c x^{3} - 60 \, a^{3} b^{2} d x^{3} - 60 \, a^{5} f x^{3} + 60 \, a^{4} b x^{3} e}{180 \, b^{6}} - \frac{{\left (a^{3} b^{3} c - a^{4} b^{2} d - a^{6} f + a^{5} b e\right )} \log \left ({\left | b x^{3} + a \right |}\right )}{3 \, b^{7}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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