Integrand size = 22, antiderivative size = 85 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2}{9} a^3 A x^{9/2}+\frac {2}{13} a^2 (3 A b+a B) x^{13/2}+\frac {6}{17} a b (A b+a B) x^{17/2}+\frac {2}{21} b^2 (A b+3 a B) x^{21/2}+\frac {2}{25} b^3 B x^{25/2} \]
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Time = 0.03 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {459} \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2}{9} a^3 A x^{9/2}+\frac {2}{13} a^2 x^{13/2} (a B+3 A b)+\frac {2}{21} b^2 x^{21/2} (3 a B+A b)+\frac {6}{17} a b x^{17/2} (a B+A b)+\frac {2}{25} b^3 B x^{25/2} \]
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Rule 459
Rubi steps \begin{align*} \text {integral}& = \int \left (a^3 A x^{7/2}+a^2 (3 A b+a B) x^{11/2}+3 a b (A b+a B) x^{15/2}+b^2 (A b+3 a B) x^{19/2}+b^3 B x^{23/2}\right ) \, dx \\ & = \frac {2}{9} a^3 A x^{9/2}+\frac {2}{13} a^2 (3 A b+a B) x^{13/2}+\frac {6}{17} a b (A b+a B) x^{17/2}+\frac {2}{21} b^2 (A b+3 a B) x^{21/2}+\frac {2}{25} b^3 B x^{25/2} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 81, normalized size of antiderivative = 0.95 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2 x^{9/2} \left (2975 a^3 \left (13 A+9 B x^2\right )+4725 a^2 b x^2 \left (17 A+13 B x^2\right )+2925 a b^2 x^4 \left (21 A+17 B x^2\right )+663 b^3 x^6 \left (25 A+21 B x^2\right )\right )}{348075} \]
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Time = 2.73 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.89
method | result | size |
derivativedivides | \(\frac {2 b^{3} B \,x^{\frac {25}{2}}}{25}+\frac {2 \left (b^{3} A +3 a \,b^{2} B \right ) x^{\frac {21}{2}}}{21}+\frac {2 \left (3 a \,b^{2} A +3 a^{2} b B \right ) x^{\frac {17}{2}}}{17}+\frac {2 \left (3 a^{2} b A +a^{3} B \right ) x^{\frac {13}{2}}}{13}+\frac {2 a^{3} A \,x^{\frac {9}{2}}}{9}\) | \(76\) |
default | \(\frac {2 b^{3} B \,x^{\frac {25}{2}}}{25}+\frac {2 \left (b^{3} A +3 a \,b^{2} B \right ) x^{\frac {21}{2}}}{21}+\frac {2 \left (3 a \,b^{2} A +3 a^{2} b B \right ) x^{\frac {17}{2}}}{17}+\frac {2 \left (3 a^{2} b A +a^{3} B \right ) x^{\frac {13}{2}}}{13}+\frac {2 a^{3} A \,x^{\frac {9}{2}}}{9}\) | \(76\) |
gosper | \(\frac {2 x^{\frac {9}{2}} \left (13923 b^{3} B \,x^{8}+16575 x^{6} b^{3} A +49725 x^{6} a \,b^{2} B +61425 A a \,b^{2} x^{4}+61425 B \,a^{2} b \,x^{4}+80325 x^{2} a^{2} b A +26775 B \,a^{3} x^{2}+38675 a^{3} A \right )}{348075}\) | \(80\) |
trager | \(\frac {2 x^{\frac {9}{2}} \left (13923 b^{3} B \,x^{8}+16575 x^{6} b^{3} A +49725 x^{6} a \,b^{2} B +61425 A a \,b^{2} x^{4}+61425 B \,a^{2} b \,x^{4}+80325 x^{2} a^{2} b A +26775 B \,a^{3} x^{2}+38675 a^{3} A \right )}{348075}\) | \(80\) |
risch | \(\frac {2 x^{\frac {9}{2}} \left (13923 b^{3} B \,x^{8}+16575 x^{6} b^{3} A +49725 x^{6} a \,b^{2} B +61425 A a \,b^{2} x^{4}+61425 B \,a^{2} b \,x^{4}+80325 x^{2} a^{2} b A +26775 B \,a^{3} x^{2}+38675 a^{3} A \right )}{348075}\) | \(80\) |
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Time = 0.25 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.92 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2}{348075} \, {\left (13923 \, B b^{3} x^{12} + 16575 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{10} + 61425 \, {\left (B a^{2} b + A a b^{2}\right )} x^{8} + 38675 \, A a^{3} x^{4} + 26775 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{6}\right )} \sqrt {x} \]
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Time = 1.32 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.34 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2 A a^{3} x^{\frac {9}{2}}}{9} + \frac {6 A a^{2} b x^{\frac {13}{2}}}{13} + \frac {6 A a b^{2} x^{\frac {17}{2}}}{17} + \frac {2 A b^{3} x^{\frac {21}{2}}}{21} + \frac {2 B a^{3} x^{\frac {13}{2}}}{13} + \frac {6 B a^{2} b x^{\frac {17}{2}}}{17} + \frac {2 B a b^{2} x^{\frac {21}{2}}}{7} + \frac {2 B b^{3} x^{\frac {25}{2}}}{25} \]
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Time = 0.20 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.86 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2}{25} \, B b^{3} x^{\frac {25}{2}} + \frac {2}{21} \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{\frac {21}{2}} + \frac {6}{17} \, {\left (B a^{2} b + A a b^{2}\right )} x^{\frac {17}{2}} + \frac {2}{9} \, A a^{3} x^{\frac {9}{2}} + \frac {2}{13} \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x^{\frac {13}{2}} \]
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Time = 0.28 (sec) , antiderivative size = 77, normalized size of antiderivative = 0.91 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=\frac {2}{25} \, B b^{3} x^{\frac {25}{2}} + \frac {2}{7} \, B a b^{2} x^{\frac {21}{2}} + \frac {2}{21} \, A b^{3} x^{\frac {21}{2}} + \frac {6}{17} \, B a^{2} b x^{\frac {17}{2}} + \frac {6}{17} \, A a b^{2} x^{\frac {17}{2}} + \frac {2}{13} \, B a^{3} x^{\frac {13}{2}} + \frac {6}{13} \, A a^{2} b x^{\frac {13}{2}} + \frac {2}{9} \, A a^{3} x^{\frac {9}{2}} \]
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Time = 0.05 (sec) , antiderivative size = 69, normalized size of antiderivative = 0.81 \[ \int x^{7/2} \left (a+b x^2\right )^3 \left (A+B x^2\right ) \, dx=x^{13/2}\,\left (\frac {2\,B\,a^3}{13}+\frac {6\,A\,b\,a^2}{13}\right )+x^{21/2}\,\left (\frac {2\,A\,b^3}{21}+\frac {2\,B\,a\,b^2}{7}\right )+\frac {2\,A\,a^3\,x^{9/2}}{9}+\frac {2\,B\,b^3\,x^{25/2}}{25}+\frac {6\,a\,b\,x^{17/2}\,\left (A\,b+B\,a\right )}{17} \]
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