Integrand size = 12, antiderivative size = 45 \[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\frac {x^{1+m} \operatorname {AppellF1}\left (-1-m,\frac {n}{2},-\frac {n}{2},-m,\frac {1}{a x},-\frac {1}{a x}\right )}{1+m} \]
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Time = 0.03 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {6308, 138} \[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\frac {x^{m+1} \operatorname {AppellF1}\left (-m-1,\frac {n}{2},-\frac {n}{2},-m,\frac {1}{a x},-\frac {1}{a x}\right )}{m+1} \]
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Rule 138
Rule 6308
Rubi steps \begin{align*} \text {integral}& = -\left (\left (\left (\frac {1}{x}\right )^m x^m\right ) \text {Subst}\left (\int x^{-2-m} \left (1-\frac {x}{a}\right )^{-n/2} \left (1+\frac {x}{a}\right )^{n/2} \, dx,x,\frac {1}{x}\right )\right ) \\ & = \frac {x^{1+m} \operatorname {AppellF1}\left (-1-m,\frac {n}{2},-\frac {n}{2},-m,\frac {1}{a x},-\frac {1}{a x}\right )}{1+m} \\ \end{align*}
\[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int e^{n \coth ^{-1}(a x)} x^m \, dx \]
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\[\int {\mathrm e}^{n \,\operatorname {arccoth}\left (a x \right )} x^{m}d x\]
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\[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int { x^{m} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
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\[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int x^{m} e^{n \operatorname {acoth}{\left (a x \right )}}\, dx \]
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\[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int { x^{m} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
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\[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int { x^{m} \left (\frac {a x + 1}{a x - 1}\right )^{\frac {1}{2} \, n} \,d x } \]
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Timed out. \[ \int e^{n \coth ^{-1}(a x)} x^m \, dx=\int x^m\,{\mathrm {e}}^{n\,\mathrm {acoth}\left (a\,x\right )} \,d x \]
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