Optimal. Leaf size=100 \[ -\frac {a^8}{x}+4 a^7 b x^2+\frac {28}{5} a^6 b^2 x^5+7 a^5 b^3 x^8+\frac {70}{11} a^4 b^4 x^{11}+4 a^3 b^5 x^{14}+\frac {28}{17} a^2 b^6 x^{17}+\frac {2}{5} a b^7 x^{20}+\frac {b^8 x^{23}}{23} \]
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Rubi [A] time = 0.04, antiderivative size = 100, normalized size of antiderivative = 1.00, 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} \[ \frac {28}{17} a^2 b^6 x^{17}+4 a^3 b^5 x^{14}+\frac {70}{11} a^4 b^4 x^{11}+7 a^5 b^3 x^8+\frac {28}{5} a^6 b^2 x^5+4 a^7 b x^2-\frac {a^8}{x}+\frac {2}{5} a b^7 x^{20}+\frac {b^8 x^{23}}{23} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin {align*} \int \frac {\left (a+b x^3\right )^8}{x^2} \, dx &=\int \left (\frac {a^8}{x^2}+8 a^7 b x+28 a^6 b^2 x^4+56 a^5 b^3 x^7+70 a^4 b^4 x^{10}+56 a^3 b^5 x^{13}+28 a^2 b^6 x^{16}+8 a b^7 x^{19}+b^8 x^{22}\right ) \, dx\\ &=-\frac {a^8}{x}+4 a^7 b x^2+\frac {28}{5} a^6 b^2 x^5+7 a^5 b^3 x^8+\frac {70}{11} a^4 b^4 x^{11}+4 a^3 b^5 x^{14}+\frac {28}{17} a^2 b^6 x^{17}+\frac {2}{5} a b^7 x^{20}+\frac {b^8 x^{23}}{23}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 100, normalized size = 1.00 \[ -\frac {a^8}{x}+4 a^7 b x^2+\frac {28}{5} a^6 b^2 x^5+7 a^5 b^3 x^8+\frac {70}{11} a^4 b^4 x^{11}+4 a^3 b^5 x^{14}+\frac {28}{17} a^2 b^6 x^{17}+\frac {2}{5} a b^7 x^{20}+\frac {b^8 x^{23}}{23} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.56, size = 92, normalized size = 0.92 \[ \frac {935 \, b^{8} x^{24} + 8602 \, a b^{7} x^{21} + 35420 \, a^{2} b^{6} x^{18} + 86020 \, a^{3} b^{5} x^{15} + 136850 \, a^{4} b^{4} x^{12} + 150535 \, a^{5} b^{3} x^{9} + 120428 \, a^{6} b^{2} x^{6} + 86020 \, a^{7} b x^{3} - 21505 \, a^{8}}{21505 \, x} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.16, size = 90, normalized size = 0.90 \[ \frac {1}{23} \, b^{8} x^{23} + \frac {2}{5} \, a b^{7} x^{20} + \frac {28}{17} \, a^{2} b^{6} x^{17} + 4 \, a^{3} b^{5} x^{14} + \frac {70}{11} \, a^{4} b^{4} x^{11} + 7 \, a^{5} b^{3} x^{8} + \frac {28}{5} \, a^{6} b^{2} x^{5} + 4 \, a^{7} b x^{2} - \frac {a^{8}}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 91, normalized size = 0.91 \[ \frac {b^{8} x^{23}}{23}+\frac {2 a \,b^{7} x^{20}}{5}+\frac {28 a^{2} b^{6} x^{17}}{17}+4 a^{3} b^{5} x^{14}+\frac {70 a^{4} b^{4} x^{11}}{11}+7 a^{5} b^{3} x^{8}+\frac {28 a^{6} b^{2} x^{5}}{5}+4 a^{7} b \,x^{2}-\frac {a^{8}}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.33, size = 90, normalized size = 0.90 \[ \frac {1}{23} \, b^{8} x^{23} + \frac {2}{5} \, a b^{7} x^{20} + \frac {28}{17} \, a^{2} b^{6} x^{17} + 4 \, a^{3} b^{5} x^{14} + \frac {70}{11} \, a^{4} b^{4} x^{11} + 7 \, a^{5} b^{3} x^{8} + \frac {28}{5} \, a^{6} b^{2} x^{5} + 4 \, a^{7} b x^{2} - \frac {a^{8}}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.05, size = 90, normalized size = 0.90 \[ \frac {b^8\,x^{23}}{23}-\frac {a^8}{x}+4\,a^7\,b\,x^2+\frac {2\,a\,b^7\,x^{20}}{5}+\frac {28\,a^6\,b^2\,x^5}{5}+7\,a^5\,b^3\,x^8+\frac {70\,a^4\,b^4\,x^{11}}{11}+4\,a^3\,b^5\,x^{14}+\frac {28\,a^2\,b^6\,x^{17}}{17} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.21, size = 99, normalized size = 0.99 \[ - \frac {a^{8}}{x} + 4 a^{7} b x^{2} + \frac {28 a^{6} b^{2} x^{5}}{5} + 7 a^{5} b^{3} x^{8} + \frac {70 a^{4} b^{4} x^{11}}{11} + 4 a^{3} b^{5} x^{14} + \frac {28 a^{2} b^{6} x^{17}}{17} + \frac {2 a b^{7} x^{20}}{5} + \frac {b^{8} x^{23}}{23} \]
Verification of antiderivative is not currently implemented for this CAS.
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