Integrand size = 16, antiderivative size = 29 \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {\log \left (a x^n\right ) \left (b \log ^m\left (a x^n\right )\right )^p}{n (1+m p)} \]
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Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {15, 30} \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {\log \left (a x^n\right ) \left (b \log ^m\left (a x^n\right )\right )^p}{n (m p+1)} \]
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Rule 15
Rule 30
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \left (b x^m\right )^p \, dx,x,\log \left (a x^n\right )\right )}{n} \\ & = \frac {\left (\log ^{-m p}\left (a x^n\right ) \left (b \log ^m\left (a x^n\right )\right )^p\right ) \text {Subst}\left (\int x^{m p} \, dx,x,\log \left (a x^n\right )\right )}{n} \\ & = \frac {\log \left (a x^n\right ) \left (b \log ^m\left (a x^n\right )\right )^p}{n (1+m p)} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {\log \left (a x^n\right ) \left (b \log ^m\left (a x^n\right )\right )^p}{n (1+m p)} \]
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Time = 0.56 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.17
method | result | size |
derivativedivides | \(\frac {\ln \left (a \,x^{n}\right ) {\mathrm e}^{p \ln \left (b \,{\mathrm e}^{m \ln \left (\ln \left (a \,x^{n}\right )\right )}\right )}}{n \left (m p +1\right )}\) | \(34\) |
default | \(\frac {\ln \left (a \,x^{n}\right ) {\mathrm e}^{p \ln \left (b \,{\mathrm e}^{m \ln \left (\ln \left (a \,x^{n}\right )\right )}\right )}}{n \left (m p +1\right )}\) | \(34\) |
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Time = 0.35 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.14 \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {{\left (n \log \left (x\right ) + \log \left (a\right )\right )} e^{\left (m p \log \left (n \log \left (x\right ) + \log \left (a\right )\right ) + p \log \left (b\right )\right )}}{m n p + n} \]
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\[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\int \frac {\left (b \log {\left (a x^{n} \right )}^{m}\right )^{p}}{x}\, dx \]
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Exception generated. \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\text {Exception raised: RuntimeError} \]
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Time = 0.31 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.21 \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {{\left (n \log \left (x\right ) + \log \left (a\right )\right )} e^{\left (m p \log \left (n \log \left (x\right ) + \log \left (a\right )\right ) + p \log \left (b\right )\right )}}{{\left (m p + 1\right )} n} \]
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Time = 1.54 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {\left (b \log ^m\left (a x^n\right )\right )^p}{x} \, dx=\frac {\ln \left (a\,x^n\right )\,{\left (b\,{\ln \left (a\,x^n\right )}^m\right )}^p}{n\,\left (m\,p+1\right )} \]
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