Integrand size = 20, antiderivative size = 37 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=-\frac {2 a A}{3 x^{3/2}}+2 (A b+a B) \sqrt {x}+\frac {2}{5} b B x^{5/2} \]
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Time = 0.02 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {459} \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=2 \sqrt {x} (a B+A b)-\frac {2 a A}{3 x^{3/2}}+\frac {2}{5} b B x^{5/2} \]
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Rule 459
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a A}{x^{5/2}}+\frac {A b+a B}{\sqrt {x}}+b B x^{3/2}\right ) \, dx \\ & = -\frac {2 a A}{3 x^{3/2}}+2 (A b+a B) \sqrt {x}+\frac {2}{5} b B x^{5/2} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.95 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=-\frac {2 \left (5 a A-15 A b x^2-15 a B x^2-3 b B x^4\right )}{15 x^{3/2}} \]
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Time = 0.06 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\frac {2 b B \,x^{\frac {5}{2}}}{5}+2 A b \sqrt {x}+2 B a \sqrt {x}-\frac {2 a A}{3 x^{\frac {3}{2}}}\) | \(30\) |
default | \(\frac {2 b B \,x^{\frac {5}{2}}}{5}+2 A b \sqrt {x}+2 B a \sqrt {x}-\frac {2 a A}{3 x^{\frac {3}{2}}}\) | \(30\) |
gosper | \(-\frac {2 \left (-3 b B \,x^{4}-15 A b \,x^{2}-15 B a \,x^{2}+5 A a \right )}{15 x^{\frac {3}{2}}}\) | \(32\) |
trager | \(-\frac {2 \left (-3 b B \,x^{4}-15 A b \,x^{2}-15 B a \,x^{2}+5 A a \right )}{15 x^{\frac {3}{2}}}\) | \(32\) |
risch | \(-\frac {2 \left (-3 b B \,x^{4}-15 A b \,x^{2}-15 B a \,x^{2}+5 A a \right )}{15 x^{\frac {3}{2}}}\) | \(32\) |
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none
Time = 0.24 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.78 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=\frac {2 \, {\left (3 \, B b x^{4} + 15 \, {\left (B a + A b\right )} x^{2} - 5 \, A a\right )}}{15 \, x^{\frac {3}{2}}} \]
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Time = 0.25 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.14 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=- \frac {2 A a}{3 x^{\frac {3}{2}}} + 2 A b \sqrt {x} + 2 B a \sqrt {x} + \frac {2 B b x^{\frac {5}{2}}}{5} \]
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Time = 0.19 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.73 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=\frac {2}{5} \, B b x^{\frac {5}{2}} + 2 \, {\left (B a + A b\right )} \sqrt {x} - \frac {2 \, A a}{3 \, x^{\frac {3}{2}}} \]
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Time = 0.29 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.78 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=\frac {2}{5} \, B b x^{\frac {5}{2}} + 2 \, B a \sqrt {x} + 2 \, A b \sqrt {x} - \frac {2 \, A a}{3 \, x^{\frac {3}{2}}} \]
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Time = 0.04 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.84 \[ \int \frac {\left (a+b x^2\right ) \left (A+B x^2\right )}{x^{5/2}} \, dx=\frac {30\,A\,b\,x^2-10\,A\,a+30\,B\,a\,x^2+6\,B\,b\,x^4}{15\,x^{3/2}} \]
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