Integrand size = 20, antiderivative size = 122 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=-\frac {a^3 (A b-a B) \left (a+b x^2\right )^6}{12 b^5}+\frac {a^2 (3 A b-4 a B) \left (a+b x^2\right )^7}{14 b^5}-\frac {3 a (A b-2 a B) \left (a+b x^2\right )^8}{16 b^5}+\frac {(A b-4 a B) \left (a+b x^2\right )^9}{18 b^5}+\frac {B \left (a+b x^2\right )^{10}}{20 b^5} \]
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Time = 0.23 (sec) , antiderivative size = 122, 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, 77} \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=-\frac {a^3 \left (a+b x^2\right )^6 (A b-a B)}{12 b^5}+\frac {a^2 \left (a+b x^2\right )^7 (3 A b-4 a B)}{14 b^5}+\frac {\left (a+b x^2\right )^9 (A b-4 a B)}{18 b^5}-\frac {3 a \left (a+b x^2\right )^8 (A b-2 a B)}{16 b^5}+\frac {B \left (a+b x^2\right )^{10}}{20 b^5} \]
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Rule 77
Rule 457
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \text {Subst}\left (\int x^3 (a+b x)^5 (A+B x) \, dx,x,x^2\right ) \\ & = \frac {1}{2} \text {Subst}\left (\int \left (\frac {a^3 (-A b+a B) (a+b x)^5}{b^4}-\frac {a^2 (-3 A b+4 a B) (a+b x)^6}{b^4}+\frac {3 a (-A b+2 a B) (a+b x)^7}{b^4}+\frac {(A b-4 a B) (a+b x)^8}{b^4}+\frac {B (a+b x)^9}{b^4}\right ) \, dx,x,x^2\right ) \\ & = -\frac {a^3 (A b-a B) \left (a+b x^2\right )^6}{12 b^5}+\frac {a^2 (3 A b-4 a B) \left (a+b x^2\right )^7}{14 b^5}-\frac {3 a (A b-2 a B) \left (a+b x^2\right )^8}{16 b^5}+\frac {(A b-4 a B) \left (a+b x^2\right )^9}{18 b^5}+\frac {B \left (a+b x^2\right )^{10}}{20 b^5} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 117, normalized size of antiderivative = 0.96 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=\frac {1}{8} a^5 A x^8+\frac {1}{10} a^4 (5 A b+a B) x^{10}+\frac {5}{12} a^3 b (2 A b+a B) x^{12}+\frac {5}{7} a^2 b^2 (A b+a B) x^{14}+\frac {5}{16} a b^3 (A b+2 a B) x^{16}+\frac {1}{18} b^4 (A b+5 a B) x^{18}+\frac {1}{20} b^5 B x^{20} \]
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Time = 2.52 (sec) , antiderivative size = 121, normalized size of antiderivative = 0.99
method | result | size |
norman | \(\frac {a^{5} A \,x^{8}}{8}+\left (\frac {1}{2} a^{4} b A +\frac {1}{10} a^{5} B \right ) x^{10}+\left (\frac {5}{6} a^{3} b^{2} A +\frac {5}{12} a^{4} b B \right ) x^{12}+\left (\frac {5}{7} a^{2} b^{3} A +\frac {5}{7} a^{3} b^{2} B \right ) x^{14}+\left (\frac {5}{16} a \,b^{4} A +\frac {5}{8} a^{2} b^{3} B \right ) x^{16}+\left (\frac {1}{18} b^{5} A +\frac {5}{18} a \,b^{4} B \right ) x^{18}+\frac {b^{5} B \,x^{20}}{20}\) | \(121\) |
default | \(\frac {b^{5} B \,x^{20}}{20}+\frac {\left (b^{5} A +5 a \,b^{4} B \right ) x^{18}}{18}+\frac {\left (5 a \,b^{4} A +10 a^{2} b^{3} B \right ) x^{16}}{16}+\frac {\left (10 a^{2} b^{3} A +10 a^{3} b^{2} B \right ) x^{14}}{14}+\frac {\left (10 a^{3} b^{2} A +5 a^{4} b B \right ) x^{12}}{12}+\frac {\left (5 a^{4} b A +a^{5} B \right ) x^{10}}{10}+\frac {a^{5} A \,x^{8}}{8}\) | \(124\) |
gosper | \(\frac {1}{8} a^{5} A \,x^{8}+\frac {1}{2} x^{10} a^{4} b A +\frac {1}{10} x^{10} a^{5} B +\frac {5}{6} x^{12} a^{3} b^{2} A +\frac {5}{12} x^{12} a^{4} b B +\frac {5}{7} x^{14} a^{2} b^{3} A +\frac {5}{7} x^{14} a^{3} b^{2} B +\frac {5}{16} x^{16} a \,b^{4} A +\frac {5}{8} x^{16} a^{2} b^{3} B +\frac {1}{18} x^{18} b^{5} A +\frac {5}{18} x^{18} a \,b^{4} B +\frac {1}{20} b^{5} B \,x^{20}\) | \(126\) |
risch | \(\frac {1}{8} a^{5} A \,x^{8}+\frac {1}{2} x^{10} a^{4} b A +\frac {1}{10} x^{10} a^{5} B +\frac {5}{6} x^{12} a^{3} b^{2} A +\frac {5}{12} x^{12} a^{4} b B +\frac {5}{7} x^{14} a^{2} b^{3} A +\frac {5}{7} x^{14} a^{3} b^{2} B +\frac {5}{16} x^{16} a \,b^{4} A +\frac {5}{8} x^{16} a^{2} b^{3} B +\frac {1}{18} x^{18} b^{5} A +\frac {5}{18} x^{18} a \,b^{4} B +\frac {1}{20} b^{5} B \,x^{20}\) | \(126\) |
parallelrisch | \(\frac {1}{8} a^{5} A \,x^{8}+\frac {1}{2} x^{10} a^{4} b A +\frac {1}{10} x^{10} a^{5} B +\frac {5}{6} x^{12} a^{3} b^{2} A +\frac {5}{12} x^{12} a^{4} b B +\frac {5}{7} x^{14} a^{2} b^{3} A +\frac {5}{7} x^{14} a^{3} b^{2} B +\frac {5}{16} x^{16} a \,b^{4} A +\frac {5}{8} x^{16} a^{2} b^{3} B +\frac {1}{18} x^{18} b^{5} A +\frac {5}{18} x^{18} a \,b^{4} B +\frac {1}{20} b^{5} B \,x^{20}\) | \(126\) |
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Time = 0.27 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.98 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=\frac {1}{20} \, B b^{5} x^{20} + \frac {1}{18} \, {\left (5 \, B a b^{4} + A b^{5}\right )} x^{18} + \frac {5}{16} \, {\left (2 \, B a^{2} b^{3} + A a b^{4}\right )} x^{16} + \frac {5}{7} \, {\left (B a^{3} b^{2} + A a^{2} b^{3}\right )} x^{14} + \frac {1}{8} \, A a^{5} x^{8} + \frac {5}{12} \, {\left (B a^{4} b + 2 \, A a^{3} b^{2}\right )} x^{12} + \frac {1}{10} \, {\left (B a^{5} + 5 \, A a^{4} b\right )} x^{10} \]
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Time = 0.04 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.11 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=\frac {A a^{5} x^{8}}{8} + \frac {B b^{5} x^{20}}{20} + x^{18} \left (\frac {A b^{5}}{18} + \frac {5 B a b^{4}}{18}\right ) + x^{16} \cdot \left (\frac {5 A a b^{4}}{16} + \frac {5 B a^{2} b^{3}}{8}\right ) + x^{14} \cdot \left (\frac {5 A a^{2} b^{3}}{7} + \frac {5 B a^{3} b^{2}}{7}\right ) + x^{12} \cdot \left (\frac {5 A a^{3} b^{2}}{6} + \frac {5 B a^{4} b}{12}\right ) + x^{10} \left (\frac {A a^{4} b}{2} + \frac {B a^{5}}{10}\right ) \]
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Time = 0.18 (sec) , antiderivative size = 119, normalized size of antiderivative = 0.98 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=\frac {1}{20} \, B b^{5} x^{20} + \frac {1}{18} \, {\left (5 \, B a b^{4} + A b^{5}\right )} x^{18} + \frac {5}{16} \, {\left (2 \, B a^{2} b^{3} + A a b^{4}\right )} x^{16} + \frac {5}{7} \, {\left (B a^{3} b^{2} + A a^{2} b^{3}\right )} x^{14} + \frac {1}{8} \, A a^{5} x^{8} + \frac {5}{12} \, {\left (B a^{4} b + 2 \, A a^{3} b^{2}\right )} x^{12} + \frac {1}{10} \, {\left (B a^{5} + 5 \, A a^{4} b\right )} x^{10} \]
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Time = 0.30 (sec) , antiderivative size = 125, normalized size of antiderivative = 1.02 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=\frac {1}{20} \, B b^{5} x^{20} + \frac {5}{18} \, B a b^{4} x^{18} + \frac {1}{18} \, A b^{5} x^{18} + \frac {5}{8} \, B a^{2} b^{3} x^{16} + \frac {5}{16} \, A a b^{4} x^{16} + \frac {5}{7} \, B a^{3} b^{2} x^{14} + \frac {5}{7} \, A a^{2} b^{3} x^{14} + \frac {5}{12} \, B a^{4} b x^{12} + \frac {5}{6} \, A a^{3} b^{2} x^{12} + \frac {1}{10} \, B a^{5} x^{10} + \frac {1}{2} \, A a^{4} b x^{10} + \frac {1}{8} \, A a^{5} x^{8} \]
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Time = 0.04 (sec) , antiderivative size = 107, normalized size of antiderivative = 0.88 \[ \int x^7 \left (a+b x^2\right )^5 \left (A+B x^2\right ) \, dx=x^{10}\,\left (\frac {B\,a^5}{10}+\frac {A\,b\,a^4}{2}\right )+x^{18}\,\left (\frac {A\,b^5}{18}+\frac {5\,B\,a\,b^4}{18}\right )+\frac {A\,a^5\,x^8}{8}+\frac {B\,b^5\,x^{20}}{20}+\frac {5\,a^2\,b^2\,x^{14}\,\left (A\,b+B\,a\right )}{7}+\frac {5\,a^3\,b\,x^{12}\,\left (2\,A\,b+B\,a\right )}{12}+\frac {5\,a\,b^3\,x^{16}\,\left (A\,b+2\,B\,a\right )}{16} \]
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