Integrand size = 13, antiderivative size = 20 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2 b x^n \sqrt {b x^n}}{3 n} \]
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Time = 0.00 (sec) , antiderivative size = 20, 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} \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2 b x^n \sqrt {b x^n}}{3 n} \]
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Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \left (b x^{-n/2} \sqrt {b x^n}\right ) \int x^{-1+\frac {3 n}{2}} \, dx \\ & = \frac {2 b x^n \sqrt {b x^n}}{3 n} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2 \left (b x^n\right )^{3/2}}{3 n} \]
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Time = 0.08 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.65
method | result | size |
gosper | \(\frac {2 \left (b \,x^{n}\right )^{\frac {3}{2}}}{3 n}\) | \(13\) |
derivativedivides | \(\frac {2 \left (b \,x^{n}\right )^{\frac {3}{2}}}{3 n}\) | \(13\) |
default | \(\frac {2 \left (b \,x^{n}\right )^{\frac {3}{2}}}{3 n}\) | \(13\) |
risch | \(\frac {2 b^{2} x^{2 n}}{3 n \sqrt {b \,x^{n}}}\) | \(21\) |
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none
Time = 0.27 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2 \, \sqrt {b x^{n}} b x^{n}}{3 \, n} \]
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Time = 0.43 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\begin {cases} \frac {2 \left (b x^{n}\right )^{\frac {3}{2}}}{3 n} & \text {for}\: n \neq 0 \\b^{\frac {3}{2}} \log {\left (x \right )} & \text {otherwise} \end {cases} \]
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none
Time = 0.18 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.60 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2 \, \left (b x^{n}\right )^{\frac {3}{2}}}{3 \, n} \]
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\[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\int { \frac {\left (b x^{n}\right )^{\frac {3}{2}}}{x} \,d x } \]
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Time = 5.44 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80 \[ \int \frac {\left (b x^n\right )^{3/2}}{x} \, dx=\frac {2\,b\,x^n\,\sqrt {b\,x^n}}{3\,n} \]
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