Optimal. Leaf size=150 \[ \frac {a^5 (A b-a B)}{4 b^7 \left (a+b x^2\right )^2}-\frac {a^4 (5 A b-6 a B)}{2 b^7 \left (a+b x^2\right )}-\frac {5 a^3 (2 A b-3 a B) \log \left (a+b x^2\right )}{2 b^7}+\frac {a^2 x^2 (3 A b-5 a B)}{b^6}-\frac {3 a x^4 (A b-2 a B)}{4 b^5}+\frac {x^6 (A b-3 a B)}{6 b^4}+\frac {B x^8}{8 b^3} \]
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Rubi [A] time = 0.23, antiderivative size = 150, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {446, 77} \[ \frac {a^2 x^2 (3 A b-5 a B)}{b^6}-\frac {a^4 (5 A b-6 a B)}{2 b^7 \left (a+b x^2\right )}+\frac {a^5 (A b-a B)}{4 b^7 \left (a+b x^2\right )^2}-\frac {5 a^3 (2 A b-3 a B) \log \left (a+b x^2\right )}{2 b^7}+\frac {x^6 (A b-3 a B)}{6 b^4}-\frac {3 a x^4 (A b-2 a B)}{4 b^5}+\frac {B x^8}{8 b^3} \]
Antiderivative was successfully verified.
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Rule 77
Rule 446
Rubi steps
\begin {align*} \int \frac {x^{11} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x^5 (A+B x)}{(a+b x)^3} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (-\frac {2 a^2 (-3 A b+5 a B)}{b^6}+\frac {3 a (-A b+2 a B) x}{b^5}+\frac {(A b-3 a B) x^2}{b^4}+\frac {B x^3}{b^3}+\frac {a^5 (-A b+a B)}{b^6 (a+b x)^3}-\frac {a^4 (-5 A b+6 a B)}{b^6 (a+b x)^2}+\frac {5 a^3 (-2 A b+3 a B)}{b^6 (a+b x)}\right ) \, dx,x,x^2\right )\\ &=\frac {a^2 (3 A b-5 a B) x^2}{b^6}-\frac {3 a (A b-2 a B) x^4}{4 b^5}+\frac {(A b-3 a B) x^6}{6 b^4}+\frac {B x^8}{8 b^3}+\frac {a^5 (A b-a B)}{4 b^7 \left (a+b x^2\right )^2}-\frac {a^4 (5 A b-6 a B)}{2 b^7 \left (a+b x^2\right )}-\frac {5 a^3 (2 A b-3 a B) \log \left (a+b x^2\right )}{2 b^7}\\ \end {align*}
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Mathematica [A] time = 0.08, size = 136, normalized size = 0.91 \[ \frac {\frac {6 a^5 (A b-a B)}{\left (a+b x^2\right )^2}+\frac {12 a^4 (6 a B-5 A b)}{a+b x^2}+60 a^3 (3 a B-2 A b) \log \left (a+b x^2\right )-24 a^2 b x^2 (5 a B-3 A b)+4 b^3 x^6 (A b-3 a B)+18 a b^2 x^4 (2 a B-A b)+3 b^4 B x^8}{24 b^7} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.46, size = 231, normalized size = 1.54 \[ \frac {3 \, B b^{6} x^{12} - 2 \, {\left (3 \, B a b^{5} - 2 \, A b^{6}\right )} x^{10} + 5 \, {\left (3 \, B a^{2} b^{4} - 2 \, A a b^{5}\right )} x^{8} + 66 \, B a^{6} - 54 \, A a^{5} b - 20 \, {\left (3 \, B a^{3} b^{3} - 2 \, A a^{2} b^{4}\right )} x^{6} - 6 \, {\left (34 \, B a^{4} b^{2} - 21 \, A a^{3} b^{3}\right )} x^{4} - 12 \, {\left (4 \, B a^{5} b - A a^{4} b^{2}\right )} x^{2} + 60 \, {\left (3 \, B a^{6} - 2 \, A a^{5} b + {\left (3 \, B a^{4} b^{2} - 2 \, A a^{3} b^{3}\right )} x^{4} + 2 \, {\left (3 \, B a^{5} b - 2 \, A a^{4} b^{2}\right )} x^{2}\right )} \log \left (b x^{2} + a\right )}{24 \, {\left (b^{9} x^{4} + 2 \, a b^{8} x^{2} + a^{2} b^{7}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.40, size = 183, normalized size = 1.22 \[ \frac {5 \, {\left (3 \, B a^{4} - 2 \, A a^{3} b\right )} \log \left ({\left | b x^{2} + a \right |}\right )}{2 \, b^{7}} - \frac {45 \, B a^{4} b^{2} x^{4} - 30 \, A a^{3} b^{3} x^{4} + 78 \, B a^{5} b x^{2} - 50 \, A a^{4} b^{2} x^{2} + 34 \, B a^{6} - 21 \, A a^{5} b}{4 \, {\left (b x^{2} + a\right )}^{2} b^{7}} + \frac {3 \, B b^{9} x^{8} - 12 \, B a b^{8} x^{6} + 4 \, A b^{9} x^{6} + 36 \, B a^{2} b^{7} x^{4} - 18 \, A a b^{8} x^{4} - 120 \, B a^{3} b^{6} x^{2} + 72 \, A a^{2} b^{7} x^{2}}{24 \, b^{12}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 182, normalized size = 1.21 \[ \frac {B \,x^{8}}{8 b^{3}}+\frac {A \,x^{6}}{6 b^{3}}-\frac {B a \,x^{6}}{2 b^{4}}-\frac {3 A a \,x^{4}}{4 b^{4}}+\frac {3 B \,a^{2} x^{4}}{2 b^{5}}+\frac {A \,a^{5}}{4 \left (b \,x^{2}+a \right )^{2} b^{6}}+\frac {3 A \,a^{2} x^{2}}{b^{5}}-\frac {B \,a^{6}}{4 \left (b \,x^{2}+a \right )^{2} b^{7}}-\frac {5 B \,a^{3} x^{2}}{b^{6}}-\frac {5 A \,a^{4}}{2 \left (b \,x^{2}+a \right ) b^{6}}-\frac {5 A \,a^{3} \ln \left (b \,x^{2}+a \right )}{b^{6}}+\frac {3 B \,a^{5}}{\left (b \,x^{2}+a \right ) b^{7}}+\frac {15 B \,a^{4} \ln \left (b \,x^{2}+a \right )}{2 b^{7}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.12, size = 165, normalized size = 1.10 \[ \frac {11 \, B a^{6} - 9 \, A a^{5} b + 2 \, {\left (6 \, B a^{5} b - 5 \, A a^{4} b^{2}\right )} x^{2}}{4 \, {\left (b^{9} x^{4} + 2 \, a b^{8} x^{2} + a^{2} b^{7}\right )}} + \frac {3 \, B b^{3} x^{8} - 4 \, {\left (3 \, B a b^{2} - A b^{3}\right )} x^{6} + 18 \, {\left (2 \, B a^{2} b - A a b^{2}\right )} x^{4} - 24 \, {\left (5 \, B a^{3} - 3 \, A a^{2} b\right )} x^{2}}{24 \, b^{6}} + \frac {5 \, {\left (3 \, B a^{4} - 2 \, A a^{3} b\right )} \log \left (b x^{2} + a\right )}{2 \, b^{7}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.12, size = 225, normalized size = 1.50 \[ \frac {\frac {11\,B\,a^6-9\,A\,a^5\,b}{4\,b}+x^2\,\left (3\,B\,a^5-\frac {5\,A\,a^4\,b}{2}\right )}{a^2\,b^6+2\,a\,b^7\,x^2+b^8\,x^4}-x^2\,\left (\frac {B\,a^3}{2\,b^6}-\frac {3\,a\,\left (\frac {3\,a\,\left (\frac {A}{b^3}-\frac {3\,B\,a}{b^4}\right )}{b}+\frac {3\,B\,a^2}{b^5}\right )}{2\,b}+\frac {3\,a^2\,\left (\frac {A}{b^3}-\frac {3\,B\,a}{b^4}\right )}{2\,b^2}\right )+x^6\,\left (\frac {A}{6\,b^3}-\frac {B\,a}{2\,b^4}\right )-x^4\,\left (\frac {3\,a\,\left (\frac {A}{b^3}-\frac {3\,B\,a}{b^4}\right )}{4\,b}+\frac {3\,B\,a^2}{4\,b^5}\right )+\frac {B\,x^8}{8\,b^3}+\frac {\ln \left (b\,x^2+a\right )\,\left (15\,B\,a^4-10\,A\,a^3\,b\right )}{2\,b^7} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.61, size = 170, normalized size = 1.13 \[ \frac {B x^{8}}{8 b^{3}} + \frac {5 a^{3} \left (- 2 A b + 3 B a\right ) \log {\left (a + b x^{2} \right )}}{2 b^{7}} + x^{6} \left (\frac {A}{6 b^{3}} - \frac {B a}{2 b^{4}}\right ) + x^{4} \left (- \frac {3 A a}{4 b^{4}} + \frac {3 B a^{2}}{2 b^{5}}\right ) + x^{2} \left (\frac {3 A a^{2}}{b^{5}} - \frac {5 B a^{3}}{b^{6}}\right ) + \frac {- 9 A a^{5} b + 11 B a^{6} + x^{2} \left (- 10 A a^{4} b^{2} + 12 B a^{5} b\right )}{4 a^{2} b^{7} + 8 a b^{8} x^{2} + 4 b^{9} x^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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