Integrand size = 14, antiderivative size = 17 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \log ^{\frac {5}{2}}\left (a x^n\right )}{5 n} \]
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Time = 0.01 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {2339, 30} \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \log ^{\frac {5}{2}}\left (a x^n\right )}{5 n} \]
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Rule 30
Rule 2339
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int x^{3/2} \, dx,x,\log \left (a x^n\right )\right )}{n} \\ & = \frac {2 \log ^{\frac {5}{2}}\left (a x^n\right )}{5 n} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.00 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \log ^{\frac {5}{2}}\left (a x^n\right )}{5 n} \]
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Time = 0.02 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82
method | result | size |
derivativedivides | \(\frac {2 \ln \left (a \,x^{n}\right )^{\frac {5}{2}}}{5 n}\) | \(14\) |
default | \(\frac {2 \ln \left (a \,x^{n}\right )^{\frac {5}{2}}}{5 n}\) | \(14\) |
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Leaf count of result is larger than twice the leaf count of optimal. 34 vs. \(2 (13) = 26\).
Time = 0.28 (sec) , antiderivative size = 34, normalized size of antiderivative = 2.00 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \, {\left (n^{2} \log \left (x\right )^{2} + 2 \, n \log \left (a\right ) \log \left (x\right ) + \log \left (a\right )^{2}\right )} \sqrt {n \log \left (x\right ) + \log \left (a\right )}}{5 \, n} \]
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Time = 1.46 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.41 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\begin {cases} \frac {2 \log {\left (a x^{n} \right )}^{\frac {5}{2}}}{5 n} & \text {for}\: n \neq 0 \\\log {\left (a \right )}^{\frac {3}{2}} \log {\left (x \right )} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \, \log \left (a x^{n}\right )^{\frac {5}{2}}}{5 \, n} \]
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Leaf count of result is larger than twice the leaf count of optimal. 72 vs. \(2 (13) = 26\).
Time = 0.30 (sec) , antiderivative size = 72, normalized size of antiderivative = 4.24 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2 \, {\left (3 \, {\left (n \log \left (x\right ) + \log \left (a\right )\right )}^{\frac {5}{2}} - 10 \, {\left (n \log \left (x\right ) + \log \left (a\right )\right )}^{\frac {3}{2}} \log \left (a\right ) + 30 \, \sqrt {n \log \left (x\right ) + \log \left (a\right )} \log \left (a\right )^{2} + 10 \, {\left ({\left (n \log \left (x\right ) + \log \left (a\right )\right )}^{\frac {3}{2}} - 3 \, \sqrt {n \log \left (x\right ) + \log \left (a\right )} \log \left (a\right )\right )} \log \left (a\right )\right )}}{15 \, n} \]
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Time = 0.30 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.76 \[ \int \frac {\log ^{\frac {3}{2}}\left (a x^n\right )}{x} \, dx=\frac {2\,{\ln \left (a\,x^n\right )}^{5/2}}{5\,n} \]
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