Optimal. Leaf size=110 \[ -\frac {a^5 \left (a+b x^3\right )^9}{27 b^6}+\frac {a^4 \left (a+b x^3\right )^{10}}{6 b^6}-\frac {10 a^3 \left (a+b x^3\right )^{11}}{33 b^6}+\frac {5 a^2 \left (a+b x^3\right )^{12}}{18 b^6}+\frac {\left (a+b x^3\right )^{14}}{42 b^6}-\frac {5 a \left (a+b x^3\right )^{13}}{39 b^6} \]
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Rubi [A] time = 0.17, antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {266, 43} \[ \frac {5 a^2 \left (a+b x^3\right )^{12}}{18 b^6}-\frac {10 a^3 \left (a+b x^3\right )^{11}}{33 b^6}+\frac {a^4 \left (a+b x^3\right )^{10}}{6 b^6}-\frac {a^5 \left (a+b x^3\right )^9}{27 b^6}+\frac {\left (a+b x^3\right )^{14}}{42 b^6}-\frac {5 a \left (a+b x^3\right )^{13}}{39 b^6} \]
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int x^{17} \left (a+b x^3\right )^8 \, dx &=\frac {1}{3} \operatorname {Subst}\left (\int x^5 (a+b x)^8 \, dx,x,x^3\right )\\ &=\frac {1}{3} \operatorname {Subst}\left (\int \left (-\frac {a^5 (a+b x)^8}{b^5}+\frac {5 a^4 (a+b x)^9}{b^5}-\frac {10 a^3 (a+b x)^{10}}{b^5}+\frac {10 a^2 (a+b x)^{11}}{b^5}-\frac {5 a (a+b x)^{12}}{b^5}+\frac {(a+b x)^{13}}{b^5}\right ) \, dx,x,x^3\right )\\ &=-\frac {a^5 \left (a+b x^3\right )^9}{27 b^6}+\frac {a^4 \left (a+b x^3\right )^{10}}{6 b^6}-\frac {10 a^3 \left (a+b x^3\right )^{11}}{33 b^6}+\frac {5 a^2 \left (a+b x^3\right )^{12}}{18 b^6}-\frac {5 a \left (a+b x^3\right )^{13}}{39 b^6}+\frac {\left (a+b x^3\right )^{14}}{42 b^6}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 108, normalized size = 0.98 \[ \frac {a^8 x^{18}}{18}+\frac {8}{21} a^7 b x^{21}+\frac {7}{6} a^6 b^2 x^{24}+\frac {56}{27} a^5 b^3 x^{27}+\frac {7}{3} a^4 b^4 x^{30}+\frac {56}{33} a^3 b^5 x^{33}+\frac {7}{9} a^2 b^6 x^{36}+\frac {8}{39} a b^7 x^{39}+\frac {b^8 x^{42}}{42} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.74, size = 90, normalized size = 0.82 \[ \frac {1}{42} x^{42} b^{8} + \frac {8}{39} x^{39} b^{7} a + \frac {7}{9} x^{36} b^{6} a^{2} + \frac {56}{33} x^{33} b^{5} a^{3} + \frac {7}{3} x^{30} b^{4} a^{4} + \frac {56}{27} x^{27} b^{3} a^{5} + \frac {7}{6} x^{24} b^{2} a^{6} + \frac {8}{21} x^{21} b a^{7} + \frac {1}{18} x^{18} a^{8} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 90, normalized size = 0.82 \[ \frac {1}{42} \, b^{8} x^{42} + \frac {8}{39} \, a b^{7} x^{39} + \frac {7}{9} \, a^{2} b^{6} x^{36} + \frac {56}{33} \, a^{3} b^{5} x^{33} + \frac {7}{3} \, a^{4} b^{4} x^{30} + \frac {56}{27} \, a^{5} b^{3} x^{27} + \frac {7}{6} \, a^{6} b^{2} x^{24} + \frac {8}{21} \, a^{7} b x^{21} + \frac {1}{18} \, a^{8} x^{18} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 91, normalized size = 0.83 \[ \frac {1}{42} b^{8} x^{42}+\frac {8}{39} a \,b^{7} x^{39}+\frac {7}{9} a^{2} b^{6} x^{36}+\frac {56}{33} a^{3} b^{5} x^{33}+\frac {7}{3} a^{4} b^{4} x^{30}+\frac {56}{27} a^{5} b^{3} x^{27}+\frac {7}{6} a^{6} b^{2} x^{24}+\frac {8}{21} a^{7} b \,x^{21}+\frac {1}{18} a^{8} x^{18} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.34, size = 90, normalized size = 0.82 \[ \frac {1}{42} \, b^{8} x^{42} + \frac {8}{39} \, a b^{7} x^{39} + \frac {7}{9} \, a^{2} b^{6} x^{36} + \frac {56}{33} \, a^{3} b^{5} x^{33} + \frac {7}{3} \, a^{4} b^{4} x^{30} + \frac {56}{27} \, a^{5} b^{3} x^{27} + \frac {7}{6} \, a^{6} b^{2} x^{24} + \frac {8}{21} \, a^{7} b x^{21} + \frac {1}{18} \, a^{8} x^{18} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.09, size = 90, normalized size = 0.82 \[ \frac {a^8\,x^{18}}{18}+\frac {8\,a^7\,b\,x^{21}}{21}+\frac {7\,a^6\,b^2\,x^{24}}{6}+\frac {56\,a^5\,b^3\,x^{27}}{27}+\frac {7\,a^4\,b^4\,x^{30}}{3}+\frac {56\,a^3\,b^5\,x^{33}}{33}+\frac {7\,a^2\,b^6\,x^{36}}{9}+\frac {8\,a\,b^7\,x^{39}}{39}+\frac {b^8\,x^{42}}{42} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.11, size = 107, normalized size = 0.97 \[ \frac {a^{8} x^{18}}{18} + \frac {8 a^{7} b x^{21}}{21} + \frac {7 a^{6} b^{2} x^{24}}{6} + \frac {56 a^{5} b^{3} x^{27}}{27} + \frac {7 a^{4} b^{4} x^{30}}{3} + \frac {56 a^{3} b^{5} x^{33}}{33} + \frac {7 a^{2} b^{6} x^{36}}{9} + \frac {8 a b^{7} x^{39}}{39} + \frac {b^{8} x^{42}}{42} \]
Verification of antiderivative is not currently implemented for this CAS.
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