Optimal. Leaf size=110 \[ -\frac {a^5 \left (a+b x^2\right )^9}{18 b^6}+\frac {a^4 \left (a+b x^2\right )^{10}}{4 b^6}-\frac {5 a^3 \left (a+b x^2\right )^{11}}{11 b^6}+\frac {5 a^2 \left (a+b x^2\right )^{12}}{12 b^6}+\frac {\left (a+b x^2\right )^{14}}{28 b^6}-\frac {5 a \left (a+b x^2\right )^{13}}{26 b^6} \]
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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} \[ \frac {5 a^2 \left (a+b x^2\right )^{12}}{12 b^6}-\frac {5 a^3 \left (a+b x^2\right )^{11}}{11 b^6}+\frac {a^4 \left (a+b x^2\right )^{10}}{4 b^6}-\frac {a^5 \left (a+b x^2\right )^9}{18 b^6}+\frac {\left (a+b x^2\right )^{14}}{28 b^6}-\frac {5 a \left (a+b x^2\right )^{13}}{26 b^6} \]
Antiderivative was successfully verified.
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Rule 43
Rule 266
Rubi steps
\begin {align*} \int x^{11} \left (a+b x^2\right )^8 \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int x^5 (a+b x)^8 \, dx,x,x^2\right )\\ &=\frac {1}{2} \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^2\right )\\ &=-\frac {a^5 \left (a+b x^2\right )^9}{18 b^6}+\frac {a^4 \left (a+b x^2\right )^{10}}{4 b^6}-\frac {5 a^3 \left (a+b x^2\right )^{11}}{11 b^6}+\frac {5 a^2 \left (a+b x^2\right )^{12}}{12 b^6}-\frac {5 a \left (a+b x^2\right )^{13}}{26 b^6}+\frac {\left (a+b x^2\right )^{14}}{28 b^6}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 108, normalized size = 0.98 \[ \frac {a^8 x^{12}}{12}+\frac {4}{7} a^7 b x^{14}+\frac {7}{4} a^6 b^2 x^{16}+\frac {28}{9} a^5 b^3 x^{18}+\frac {7}{2} a^4 b^4 x^{20}+\frac {28}{11} a^3 b^5 x^{22}+\frac {7}{6} a^2 b^6 x^{24}+\frac {4}{13} a b^7 x^{26}+\frac {b^8 x^{28}}{28} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.60, size = 90, normalized size = 0.82 \[ \frac {1}{28} x^{28} b^{8} + \frac {4}{13} x^{26} b^{7} a + \frac {7}{6} x^{24} b^{6} a^{2} + \frac {28}{11} x^{22} b^{5} a^{3} + \frac {7}{2} x^{20} b^{4} a^{4} + \frac {28}{9} x^{18} b^{3} a^{5} + \frac {7}{4} x^{16} b^{2} a^{6} + \frac {4}{7} x^{14} b a^{7} + \frac {1}{12} x^{12} a^{8} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.00, size = 90, normalized size = 0.82 \[ \frac {1}{28} \, b^{8} x^{28} + \frac {4}{13} \, a b^{7} x^{26} + \frac {7}{6} \, a^{2} b^{6} x^{24} + \frac {28}{11} \, a^{3} b^{5} x^{22} + \frac {7}{2} \, a^{4} b^{4} x^{20} + \frac {28}{9} \, a^{5} b^{3} x^{18} + \frac {7}{4} \, a^{6} b^{2} x^{16} + \frac {4}{7} \, a^{7} b x^{14} + \frac {1}{12} \, a^{8} x^{12} \]
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 \[ \frac {1}{28} b^{8} x^{28}+\frac {4}{13} a \,b^{7} x^{26}+\frac {7}{6} a^{2} b^{6} x^{24}+\frac {28}{11} a^{3} b^{5} x^{22}+\frac {7}{2} a^{4} b^{4} x^{20}+\frac {28}{9} a^{5} b^{3} x^{18}+\frac {7}{4} a^{6} b^{2} x^{16}+\frac {4}{7} a^{7} b \,x^{14}+\frac {1}{12} a^{8} x^{12} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.35, size = 90, normalized size = 0.82 \[ \frac {1}{28} \, b^{8} x^{28} + \frac {4}{13} \, a b^{7} x^{26} + \frac {7}{6} \, a^{2} b^{6} x^{24} + \frac {28}{11} \, a^{3} b^{5} x^{22} + \frac {7}{2} \, a^{4} b^{4} x^{20} + \frac {28}{9} \, a^{5} b^{3} x^{18} + \frac {7}{4} \, a^{6} b^{2} x^{16} + \frac {4}{7} \, a^{7} b x^{14} + \frac {1}{12} \, a^{8} x^{12} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.57, size = 90, normalized size = 0.82 \[ \frac {a^8\,x^{12}}{12}+\frac {4\,a^7\,b\,x^{14}}{7}+\frac {7\,a^6\,b^2\,x^{16}}{4}+\frac {28\,a^5\,b^3\,x^{18}}{9}+\frac {7\,a^4\,b^4\,x^{20}}{2}+\frac {28\,a^3\,b^5\,x^{22}}{11}+\frac {7\,a^2\,b^6\,x^{24}}{6}+\frac {4\,a\,b^7\,x^{26}}{13}+\frac {b^8\,x^{28}}{28} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.09, size = 107, normalized size = 0.97 \[ \frac {a^{8} x^{12}}{12} + \frac {4 a^{7} b x^{14}}{7} + \frac {7 a^{6} b^{2} x^{16}}{4} + \frac {28 a^{5} b^{3} x^{18}}{9} + \frac {7 a^{4} b^{4} x^{20}}{2} + \frac {28 a^{3} b^{5} x^{22}}{11} + \frac {7 a^{2} b^{6} x^{24}}{6} + \frac {4 a b^{7} x^{26}}{13} + \frac {b^{8} x^{28}}{28} \]
Verification of antiderivative is not currently implemented for this CAS.
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