Integrand size = 13, antiderivative size = 17 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {1}{2} b^2 x \sqrt {b x^2} \]
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Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {15, 30} \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {1}{2} b^2 x \sqrt {b x^2} \]
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Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \frac {\left (b^2 \sqrt {b x^2}\right ) \int x \, dx}{x} \\ & = \frac {1}{2} b^2 x \sqrt {b x^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {1}{2} b^2 x \sqrt {b x^2} \]
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Time = 0.06 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76
method | result | size |
gosper | \(\frac {\left (b \,x^{2}\right )^{\frac {5}{2}}}{2 x^{3}}\) | \(13\) |
default | \(\frac {\left (b \,x^{2}\right )^{\frac {5}{2}}}{2 x^{3}}\) | \(13\) |
risch | \(\frac {b^{2} x \sqrt {b \,x^{2}}}{2}\) | \(14\) |
trager | \(\frac {b^{2} \left (-1+x \right ) \left (1+x \right ) \sqrt {b \,x^{2}}}{2 x}\) | \(22\) |
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none
Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {1}{2} \, \sqrt {b x^{2}} b^{2} x \]
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Time = 0.25 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.71 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {\left (b x^{2}\right )^{\frac {5}{2}}}{2 x^{3}} \]
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Exception generated. \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\text {Exception raised: RuntimeError} \]
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none
Time = 0.28 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.59 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {1}{2} \, b^{\frac {5}{2}} x^{2} \mathrm {sgn}\left (x\right ) \]
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Time = 5.58 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.47 \[ \int \frac {\left (b x^2\right )^{5/2}}{x^4} \, dx=\frac {b^{5/2}\,x\,\left |x\right |}{2} \]
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