Integrand size = 18, antiderivative size = 33 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{3} a A x^3+\frac {1}{5} (A b+a B) x^5+\frac {1}{7} b B x^7 \]
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Time = 0.01 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {459} \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{5} x^5 (a B+A b)+\frac {1}{3} a A x^3+\frac {1}{7} b B x^7 \]
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Rule 459
Rubi steps \begin{align*} \text {integral}& = \int \left (a A x^2+(A b+a B) x^4+b B x^6\right ) \, dx \\ & = \frac {1}{3} a A x^3+\frac {1}{5} (A b+a B) x^5+\frac {1}{7} b B x^7 \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{3} a A x^3+\frac {1}{5} (A b+a B) x^5+\frac {1}{7} b B x^7 \]
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Time = 0.12 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.85
method | result | size |
default | \(\frac {a A \,x^{3}}{3}+\frac {\left (A b +B a \right ) x^{5}}{5}+\frac {b B \,x^{7}}{7}\) | \(28\) |
norman | \(\frac {b B \,x^{7}}{7}+\left (\frac {A b}{5}+\frac {B a}{5}\right ) x^{5}+\frac {a A \,x^{3}}{3}\) | \(29\) |
gosper | \(\frac {1}{7} b B \,x^{7}+\frac {1}{5} x^{5} A b +\frac {1}{5} x^{5} B a +\frac {1}{3} a A \,x^{3}\) | \(30\) |
risch | \(\frac {1}{7} b B \,x^{7}+\frac {1}{5} x^{5} A b +\frac {1}{5} x^{5} B a +\frac {1}{3} a A \,x^{3}\) | \(30\) |
parallelrisch | \(\frac {1}{7} b B \,x^{7}+\frac {1}{5} x^{5} A b +\frac {1}{5} x^{5} B a +\frac {1}{3} a A \,x^{3}\) | \(30\) |
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none
Time = 0.26 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.82 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{7} \, B b x^{7} + \frac {1}{5} \, {\left (B a + A b\right )} x^{5} + \frac {1}{3} \, A a x^{3} \]
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Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.88 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {A a x^{3}}{3} + \frac {B b x^{7}}{7} + x^{5} \left (\frac {A b}{5} + \frac {B a}{5}\right ) \]
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none
Time = 0.20 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.82 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{7} \, B b x^{7} + \frac {1}{5} \, {\left (B a + A b\right )} x^{5} + \frac {1}{3} \, A a x^{3} \]
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none
Time = 0.29 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.88 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {1}{7} \, B b x^{7} + \frac {1}{5} \, B a x^{5} + \frac {1}{5} \, A b x^{5} + \frac {1}{3} \, A a x^{3} \]
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Time = 4.81 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.85 \[ \int x^2 \left (a+b x^2\right ) \left (A+B x^2\right ) \, dx=\frac {B\,b\,x^7}{7}+\left (\frac {A\,b}{5}+\frac {B\,a}{5}\right )\,x^5+\frac {A\,a\,x^3}{3} \]
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