Optimal. Leaf size=100 \[ \frac{(m+1) (d x)^{m+1} e^{-\frac{a (m+1)}{b n}} \left (c x^n\right )^{-\frac{m+1}{n}} \text{Ei}\left (\frac{(m+1) \left (a+b \log \left (c x^n\right )\right )}{b n}\right )}{b^2 d n^2}-\frac{(d x)^{m+1}}{b d n \left (a+b \log \left (c x^n\right )\right )} \]
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Rubi [A] time = 0.0931316, antiderivative size = 100, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {2306, 2310, 2178} \[ \frac{(m+1) (d x)^{m+1} e^{-\frac{a (m+1)}{b n}} \left (c x^n\right )^{-\frac{m+1}{n}} \text{Ei}\left (\frac{(m+1) \left (a+b \log \left (c x^n\right )\right )}{b n}\right )}{b^2 d n^2}-\frac{(d x)^{m+1}}{b d n \left (a+b \log \left (c x^n\right )\right )} \]
Antiderivative was successfully verified.
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Rule 2306
Rule 2310
Rule 2178
Rubi steps
\begin{align*} \int \frac{(d x)^m}{\left (a+b \log \left (c x^n\right )\right )^2} \, dx &=-\frac{(d x)^{1+m}}{b d n \left (a+b \log \left (c x^n\right )\right )}+\frac{(1+m) \int \frac{(d x)^m}{a+b \log \left (c x^n\right )} \, dx}{b n}\\ &=-\frac{(d x)^{1+m}}{b d n \left (a+b \log \left (c x^n\right )\right )}+\frac{\left ((1+m) (d x)^{1+m} \left (c x^n\right )^{-\frac{1+m}{n}}\right ) \operatorname{Subst}\left (\int \frac{e^{\frac{(1+m) x}{n}}}{a+b x} \, dx,x,\log \left (c x^n\right )\right )}{b d n^2}\\ &=\frac{e^{-\frac{a (1+m)}{b n}} (1+m) (d x)^{1+m} \left (c x^n\right )^{-\frac{1+m}{n}} \text{Ei}\left (\frac{(1+m) \left (a+b \log \left (c x^n\right )\right )}{b n}\right )}{b^2 d n^2}-\frac{(d x)^{1+m}}{b d n \left (a+b \log \left (c x^n\right )\right )}\\ \end{align*}
Mathematica [A] time = 0.233248, size = 89, normalized size = 0.89 \[ \frac{(d x)^m \left ((m+1) x^{-m} \exp \left (-\frac{(m+1) \left (a+b \log \left (c x^n\right )-b n \log (x)\right )}{b n}\right ) \text{Ei}\left (\frac{(m+1) \left (a+b \log \left (c x^n\right )\right )}{b n}\right )-\frac{b n x}{a+b \log \left (c x^n\right )}\right )}{b^2 n^2} \]
Antiderivative was successfully verified.
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Maple [F] time = 1.303, size = 0, normalized size = 0. \begin{align*} \int{\frac{ \left ( dx \right ) ^{m}}{ \left ( a+b\ln \left ( c{x}^{n} \right ) \right ) ^{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} d^{m}{\left (m + 1\right )} \int \frac{x^{m}}{b^{2} n \log \left (c\right ) + b^{2} n \log \left (x^{n}\right ) + a b n}\,{d x} - \frac{d^{m} x x^{m}}{b^{2} n \log \left (c\right ) + b^{2} n \log \left (x^{n}\right ) + a b n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.00347, size = 332, normalized size = 3.32 \begin{align*} -\frac{b n x e^{\left (m \log \left (d\right ) + m \log \left (x\right )\right )} -{\left ({\left (b m + b\right )} n \log \left (x\right ) + a m +{\left (b m + b\right )} \log \left (c\right ) + a\right )}{\rm Ei}\left (\frac{{\left (b m + b\right )} n \log \left (x\right ) + a m +{\left (b m + b\right )} \log \left (c\right ) + a}{b n}\right ) e^{\left (\frac{b m n \log \left (d\right ) - a m -{\left (b m + b\right )} \log \left (c\right ) - a}{b n}\right )}}{b^{3} n^{3} \log \left (x\right ) + b^{3} n^{2} \log \left (c\right ) + a b^{2} n^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (d x\right )^{m}}{\left (a + b \log{\left (c x^{n} \right )}\right )^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (d x\right )^{m}}{{\left (b \log \left (c x^{n}\right ) + a\right )}^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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