Optimal. Leaf size=100 \[ \frac{14}{5} a^2 b^6 x^{10}+8 a^3 b^5 x^7+\frac{35}{2} a^4 b^4 x^4-\frac{14 a^6 b^2}{x^2}+56 a^5 b^3 x-\frac{8 a^7 b}{5 x^5}-\frac{a^8}{8 x^8}+\frac{8}{13} a b^7 x^{13}+\frac{b^8 x^{16}}{16} \]
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Rubi [A] time = 0.0358057, antiderivative size = 100, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {270} \[ \frac{14}{5} a^2 b^6 x^{10}+8 a^3 b^5 x^7+\frac{35}{2} a^4 b^4 x^4-\frac{14 a^6 b^2}{x^2}+56 a^5 b^3 x-\frac{8 a^7 b}{5 x^5}-\frac{a^8}{8 x^8}+\frac{8}{13} a b^7 x^{13}+\frac{b^8 x^{16}}{16} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin{align*} \int \frac{\left (a+b x^3\right )^8}{x^9} \, dx &=\int \left (56 a^5 b^3+\frac{a^8}{x^9}+\frac{8 a^7 b}{x^6}+\frac{28 a^6 b^2}{x^3}+70 a^4 b^4 x^3+56 a^3 b^5 x^6+28 a^2 b^6 x^9+8 a b^7 x^{12}+b^8 x^{15}\right ) \, dx\\ &=-\frac{a^8}{8 x^8}-\frac{8 a^7 b}{5 x^5}-\frac{14 a^6 b^2}{x^2}+56 a^5 b^3 x+\frac{35}{2} a^4 b^4 x^4+8 a^3 b^5 x^7+\frac{14}{5} a^2 b^6 x^{10}+\frac{8}{13} a b^7 x^{13}+\frac{b^8 x^{16}}{16}\\ \end{align*}
Mathematica [A] time = 0.0045352, size = 100, normalized size = 1. \[ \frac{14}{5} a^2 b^6 x^{10}+8 a^3 b^5 x^7+\frac{35}{2} a^4 b^4 x^4-\frac{14 a^6 b^2}{x^2}+56 a^5 b^3 x-\frac{8 a^7 b}{5 x^5}-\frac{a^8}{8 x^8}+\frac{8}{13} a b^7 x^{13}+\frac{b^8 x^{16}}{16} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 89, normalized size = 0.9 \begin{align*} -{\frac{{a}^{8}}{8\,{x}^{8}}}-{\frac{8\,{a}^{7}b}{5\,{x}^{5}}}-14\,{\frac{{a}^{6}{b}^{2}}{{x}^{2}}}+56\,{a}^{5}{b}^{3}x+{\frac{35\,{a}^{4}{b}^{4}{x}^{4}}{2}}+8\,{a}^{3}{b}^{5}{x}^{7}+{\frac{14\,{a}^{2}{b}^{6}{x}^{10}}{5}}+{\frac{8\,a{b}^{7}{x}^{13}}{13}}+{\frac{{b}^{8}{x}^{16}}{16}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.953487, size = 123, normalized size = 1.23 \begin{align*} \frac{1}{16} \, b^{8} x^{16} + \frac{8}{13} \, a b^{7} x^{13} + \frac{14}{5} \, a^{2} b^{6} x^{10} + 8 \, a^{3} b^{5} x^{7} + \frac{35}{2} \, a^{4} b^{4} x^{4} + 56 \, a^{5} b^{3} x - \frac{560 \, a^{6} b^{2} x^{6} + 64 \, a^{7} b x^{3} + 5 \, a^{8}}{40 \, x^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.56741, size = 231, normalized size = 2.31 \begin{align*} \frac{65 \, b^{8} x^{24} + 640 \, a b^{7} x^{21} + 2912 \, a^{2} b^{6} x^{18} + 8320 \, a^{3} b^{5} x^{15} + 18200 \, a^{4} b^{4} x^{12} + 58240 \, a^{5} b^{3} x^{9} - 14560 \, a^{6} b^{2} x^{6} - 1664 \, a^{7} b x^{3} - 130 \, a^{8}}{1040 \, x^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.582506, size = 100, normalized size = 1. \begin{align*} 56 a^{5} b^{3} x + \frac{35 a^{4} b^{4} x^{4}}{2} + 8 a^{3} b^{5} x^{7} + \frac{14 a^{2} b^{6} x^{10}}{5} + \frac{8 a b^{7} x^{13}}{13} + \frac{b^{8} x^{16}}{16} - \frac{5 a^{8} + 64 a^{7} b x^{3} + 560 a^{6} b^{2} x^{6}}{40 x^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.11585, size = 123, normalized size = 1.23 \begin{align*} \frac{1}{16} \, b^{8} x^{16} + \frac{8}{13} \, a b^{7} x^{13} + \frac{14}{5} \, a^{2} b^{6} x^{10} + 8 \, a^{3} b^{5} x^{7} + \frac{35}{2} \, a^{4} b^{4} x^{4} + 56 \, a^{5} b^{3} x - \frac{560 \, a^{6} b^{2} x^{6} + 64 \, a^{7} b x^{3} + 5 \, a^{8}}{40 \, x^{8}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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