Integrand size = 18, antiderivative size = 29 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {(a+b x)^2}{2 a c^2 x \sqrt {c x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {15, 37} \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {(a+b x)^2}{2 a c^2 x \sqrt {c x^2}} \]
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Rule 15
Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {a+b x}{x^3} \, dx}{c^2 \sqrt {c x^2}} \\ & = -\frac {(a+b x)^2}{2 a c^2 x \sqrt {c x^2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.76 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {x^3 (a+2 b x)}{2 \left (c x^2\right )^{5/2}} \]
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Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.66
method | result | size |
gosper | \(-\frac {x^{3} \left (2 b x +a \right )}{2 \left (c \,x^{2}\right )^{\frac {5}{2}}}\) | \(19\) |
default | \(-\frac {x^{3} \left (2 b x +a \right )}{2 \left (c \,x^{2}\right )^{\frac {5}{2}}}\) | \(19\) |
risch | \(\frac {-b x -\frac {a}{2}}{c^{2} x \sqrt {c \,x^{2}}}\) | \(23\) |
trager | \(\frac {\left (-1+x \right ) \left (a x +2 b x +a \right ) \sqrt {c \,x^{2}}}{2 c^{3} x^{3}}\) | \(28\) |
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none
Time = 0.22 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.72 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {\sqrt {c x^{2}} {\left (2 \, b x + a\right )}}{2 \, c^{3} x^{3}} \]
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Time = 0.76 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=- \frac {a x^{3}}{2 \left (c x^{2}\right )^{\frac {5}{2}}} - \frac {b x^{4}}{\left (c x^{2}\right )^{\frac {5}{2}}} \]
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none
Time = 0.23 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.90 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {b x^{2}}{\left (c x^{2}\right )^{\frac {3}{2}} c} - \frac {a}{2 \, c^{\frac {5}{2}} x^{2}} \]
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none
Time = 0.29 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.62 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {2 \, b x + a}{2 \, c^{\frac {5}{2}} x^{2} \mathrm {sgn}\left (x\right )} \]
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Time = 0.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.86 \[ \int \frac {x^2 (a+b x)}{\left (c x^2\right )^{5/2}} \, dx=-\frac {2\,b\,x^3+a\,x^2}{2\,c^{5/2}\,x\,{\left (x^2\right )}^{3/2}} \]
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