Integrand size = 16, antiderivative size = 39 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{5} a A x^{5/2}+\frac {2}{7} (A b+a B) x^{7/2}+\frac {2}{9} b B x^{9/2} \]
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Time = 0.01 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {77} \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{7} x^{7/2} (a B+A b)+\frac {2}{5} a A x^{5/2}+\frac {2}{9} b B x^{9/2} \]
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Rule 77
Rubi steps \begin{align*} \text {integral}& = \int \left (a A x^{3/2}+(A b+a B) x^{5/2}+b B x^{7/2}\right ) \, dx \\ & = \frac {2}{5} a A x^{5/2}+\frac {2}{7} (A b+a B) x^{7/2}+\frac {2}{9} b B x^{9/2} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.85 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{315} x^{5/2} (9 a (7 A+5 B x)+5 b x (9 A+7 B x)) \]
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Time = 0.10 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.72
method | result | size |
gosper | \(\frac {2 x^{\frac {5}{2}} \left (35 b B \,x^{2}+45 A b x +45 B a x +63 A a \right )}{315}\) | \(28\) |
derivativedivides | \(\frac {2 a A \,x^{\frac {5}{2}}}{5}+\frac {2 \left (A b +B a \right ) x^{\frac {7}{2}}}{7}+\frac {2 b B \,x^{\frac {9}{2}}}{9}\) | \(28\) |
default | \(\frac {2 a A \,x^{\frac {5}{2}}}{5}+\frac {2 \left (A b +B a \right ) x^{\frac {7}{2}}}{7}+\frac {2 b B \,x^{\frac {9}{2}}}{9}\) | \(28\) |
trager | \(\frac {2 x^{\frac {5}{2}} \left (35 b B \,x^{2}+45 A b x +45 B a x +63 A a \right )}{315}\) | \(28\) |
risch | \(\frac {2 x^{\frac {5}{2}} \left (35 b B \,x^{2}+45 A b x +45 B a x +63 A a \right )}{315}\) | \(28\) |
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none
Time = 0.22 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.82 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{315} \, {\left (35 \, B b x^{4} + 63 \, A a x^{2} + 45 \, {\left (B a + A b\right )} x^{3}\right )} \sqrt {x} \]
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Time = 0.15 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.18 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2 A a x^{\frac {5}{2}}}{5} + \frac {2 A b x^{\frac {7}{2}}}{7} + \frac {2 B a x^{\frac {7}{2}}}{7} + \frac {2 B b x^{\frac {9}{2}}}{9} \]
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none
Time = 0.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.69 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{9} \, B b x^{\frac {9}{2}} + \frac {2}{5} \, A a x^{\frac {5}{2}} + \frac {2}{7} \, {\left (B a + A b\right )} x^{\frac {7}{2}} \]
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none
Time = 0.27 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.74 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2}{9} \, B b x^{\frac {9}{2}} + \frac {2}{7} \, B a x^{\frac {7}{2}} + \frac {2}{7} \, A b x^{\frac {7}{2}} + \frac {2}{5} \, A a x^{\frac {5}{2}} \]
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Time = 0.05 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.69 \[ \int x^{3/2} (a+b x) (A+B x) \, dx=\frac {2\,x^{5/2}\,\left (63\,A\,a+45\,A\,b\,x+45\,B\,a\,x+35\,B\,b\,x^2\right )}{315} \]
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