Integrand size = 20, antiderivative size = 126 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {a^2 (3 A b-4 a B) x^2}{2 b^5}-\frac {a (2 A b-3 a B) x^4}{4 b^4}+\frac {(A b-2 a B) x^6}{6 b^3}+\frac {B x^8}{8 b^2}-\frac {a^4 (A b-a B)}{2 b^6 \left (a+b x^2\right )}-\frac {a^3 (4 A b-5 a B) \log \left (a+b x^2\right )}{2 b^6} \]
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Time = 0.12 (sec) , antiderivative size = 126, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {457, 78} \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=-\frac {a^4 (A b-a B)}{2 b^6 \left (a+b x^2\right )}-\frac {a^3 (4 A b-5 a B) \log \left (a+b x^2\right )}{2 b^6}+\frac {a^2 x^2 (3 A b-4 a B)}{2 b^5}-\frac {a x^4 (2 A b-3 a B)}{4 b^4}+\frac {x^6 (A b-2 a B)}{6 b^3}+\frac {B x^8}{8 b^2} \]
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Rule 78
Rule 457
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \text {Subst}\left (\int \frac {x^4 (A+B x)}{(a+b x)^2} \, dx,x,x^2\right ) \\ & = \frac {1}{2} \text {Subst}\left (\int \left (-\frac {a^2 (-3 A b+4 a B)}{b^5}+\frac {a (-2 A b+3 a B) x}{b^4}+\frac {(A b-2 a B) x^2}{b^3}+\frac {B x^3}{b^2}-\frac {a^4 (-A b+a B)}{b^5 (a+b x)^2}+\frac {a^3 (-4 A b+5 a B)}{b^5 (a+b x)}\right ) \, dx,x,x^2\right ) \\ & = \frac {a^2 (3 A b-4 a B) x^2}{2 b^5}-\frac {a (2 A b-3 a B) x^4}{4 b^4}+\frac {(A b-2 a B) x^6}{6 b^3}+\frac {B x^8}{8 b^2}-\frac {a^4 (A b-a B)}{2 b^6 \left (a+b x^2\right )}-\frac {a^3 (4 A b-5 a B) \log \left (a+b x^2\right )}{2 b^6} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 113, normalized size of antiderivative = 0.90 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {-12 a^2 b (-3 A b+4 a B) x^2+6 a b^2 (-2 A b+3 a B) x^4+4 b^3 (A b-2 a B) x^6+3 b^4 B x^8+\frac {12 a^4 (-A b+a B)}{a+b x^2}+12 a^3 (-4 A b+5 a B) \log \left (a+b x^2\right )}{24 b^6} \]
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Time = 2.49 (sec) , antiderivative size = 122, normalized size of antiderivative = 0.97
method | result | size |
norman | \(\frac {\frac {B \,x^{10}}{8 b}-\frac {a \left (4 A \,a^{3} b -5 B \,a^{4}\right )}{2 b^{6}}+\frac {\left (4 A b -5 B a \right ) x^{8}}{24 b^{2}}-\frac {a \left (4 A b -5 B a \right ) x^{6}}{12 b^{3}}+\frac {a^{2} \left (4 A b -5 B a \right ) x^{4}}{4 b^{4}}}{b \,x^{2}+a}-\frac {a^{3} \left (4 A b -5 B a \right ) \ln \left (b \,x^{2}+a \right )}{2 b^{6}}\) | \(122\) |
default | \(\frac {\frac {b^{3} B \,x^{8}}{8}+\frac {\left (b^{3} A -2 a \,b^{2} B \right ) x^{6}}{6}+\frac {\left (-2 a \,b^{2} A +3 a^{2} b B \right ) x^{4}}{4}+\frac {\left (3 a^{2} b A -4 a^{3} B \right ) x^{2}}{2}}{b^{5}}-\frac {a^{3} \left (\frac {\left (4 A b -5 B a \right ) \ln \left (b \,x^{2}+a \right )}{b}+\frac {a \left (A b -B a \right )}{b \left (b \,x^{2}+a \right )}\right )}{2 b^{5}}\) | \(125\) |
risch | \(\frac {B \,x^{8}}{8 b^{2}}+\frac {x^{6} A}{6 b^{2}}-\frac {x^{6} a B}{3 b^{3}}-\frac {A a \,x^{4}}{2 b^{3}}+\frac {3 B \,a^{2} x^{4}}{4 b^{4}}+\frac {3 A \,a^{2} x^{2}}{2 b^{4}}-\frac {2 B \,a^{3} x^{2}}{b^{5}}-\frac {a^{4} A}{2 b^{5} \left (b \,x^{2}+a \right )}+\frac {a^{5} B}{2 b^{6} \left (b \,x^{2}+a \right )}-\frac {2 a^{3} \ln \left (b \,x^{2}+a \right ) A}{b^{5}}+\frac {5 a^{4} \ln \left (b \,x^{2}+a \right ) B}{2 b^{6}}\) | \(146\) |
parallelrisch | \(-\frac {-3 b^{5} B \,x^{10}-4 A \,b^{5} x^{8}+5 B a \,b^{4} x^{8}+8 A a \,b^{4} x^{6}-10 B \,a^{2} b^{3} x^{6}-24 A \,a^{2} b^{3} x^{4}+30 B \,a^{3} b^{2} x^{4}+48 A \ln \left (b \,x^{2}+a \right ) x^{2} a^{3} b^{2}-60 B \ln \left (b \,x^{2}+a \right ) x^{2} a^{4} b +48 A \ln \left (b \,x^{2}+a \right ) a^{4} b -60 B \ln \left (b \,x^{2}+a \right ) a^{5}+48 a^{4} b A -60 a^{5} B}{24 b^{6} \left (b \,x^{2}+a \right )}\) | \(170\) |
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Time = 0.25 (sec) , antiderivative size = 172, normalized size of antiderivative = 1.37 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {3 \, B b^{5} x^{10} - {\left (5 \, B a b^{4} - 4 \, A b^{5}\right )} x^{8} + 2 \, {\left (5 \, B a^{2} b^{3} - 4 \, A a b^{4}\right )} x^{6} + 12 \, B a^{5} - 12 \, A a^{4} b - 6 \, {\left (5 \, B a^{3} b^{2} - 4 \, A a^{2} b^{3}\right )} x^{4} - 12 \, {\left (4 \, B a^{4} b - 3 \, A a^{3} b^{2}\right )} x^{2} + 12 \, {\left (5 \, B a^{5} - 4 \, A a^{4} b + {\left (5 \, B a^{4} b - 4 \, A a^{3} b^{2}\right )} x^{2}\right )} \log \left (b x^{2} + a\right )}{24 \, {\left (b^{7} x^{2} + a b^{6}\right )}} \]
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Time = 0.44 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.04 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {B x^{8}}{8 b^{2}} + \frac {a^{3} \left (- 4 A b + 5 B a\right ) \log {\left (a + b x^{2} \right )}}{2 b^{6}} + x^{6} \left (\frac {A}{6 b^{2}} - \frac {B a}{3 b^{3}}\right ) + x^{4} \left (- \frac {A a}{2 b^{3}} + \frac {3 B a^{2}}{4 b^{4}}\right ) + x^{2} \cdot \left (\frac {3 A a^{2}}{2 b^{4}} - \frac {2 B a^{3}}{b^{5}}\right ) + \frac {- A a^{4} b + B a^{5}}{2 a b^{6} + 2 b^{7} x^{2}} \]
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Time = 0.19 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.04 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {B a^{5} - A a^{4} b}{2 \, {\left (b^{7} x^{2} + a b^{6}\right )}} + \frac {3 \, B b^{3} x^{8} - 4 \, {\left (2 \, B a b^{2} - A b^{3}\right )} x^{6} + 6 \, {\left (3 \, B a^{2} b - 2 \, A a b^{2}\right )} x^{4} - 12 \, {\left (4 \, B a^{3} - 3 \, A a^{2} b\right )} x^{2}}{24 \, b^{5}} + \frac {{\left (5 \, B a^{4} - 4 \, A a^{3} b\right )} \log \left (b x^{2} + a\right )}{2 \, b^{6}} \]
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Time = 0.29 (sec) , antiderivative size = 159, normalized size of antiderivative = 1.26 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=\frac {{\left (5 \, B a^{4} - 4 \, A a^{3} b\right )} \log \left ({\left | b x^{2} + a \right |}\right )}{2 \, b^{6}} - \frac {5 \, B a^{4} b x^{2} - 4 \, A a^{3} b^{2} x^{2} + 4 \, B a^{5} - 3 \, A a^{4} b}{2 \, {\left (b x^{2} + a\right )} b^{6}} + \frac {3 \, B b^{6} x^{8} - 8 \, B a b^{5} x^{6} + 4 \, A b^{6} x^{6} + 18 \, B a^{2} b^{4} x^{4} - 12 \, A a b^{5} x^{4} - 48 \, B a^{3} b^{3} x^{2} + 36 \, A a^{2} b^{4} x^{2}}{24 \, b^{8}} \]
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Time = 5.02 (sec) , antiderivative size = 181, normalized size of antiderivative = 1.44 \[ \int \frac {x^9 \left (A+B x^2\right )}{\left (a+b x^2\right )^2} \, dx=x^2\,\left (\frac {a\,\left (\frac {2\,a\,\left (\frac {A}{b^2}-\frac {2\,B\,a}{b^3}\right )}{b}+\frac {B\,a^2}{b^4}\right )}{b}-\frac {a^2\,\left (\frac {A}{b^2}-\frac {2\,B\,a}{b^3}\right )}{2\,b^2}\right )+x^6\,\left (\frac {A}{6\,b^2}-\frac {B\,a}{3\,b^3}\right )-x^4\,\left (\frac {a\,\left (\frac {A}{b^2}-\frac {2\,B\,a}{b^3}\right )}{2\,b}+\frac {B\,a^2}{4\,b^4}\right )+\frac {B\,x^8}{8\,b^2}+\frac {\ln \left (b\,x^2+a\right )\,\left (5\,B\,a^4-4\,A\,a^3\,b\right )}{2\,b^6}+\frac {B\,a^5-A\,a^4\,b}{2\,b\,\left (b^6\,x^2+a\,b^5\right )} \]
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