Integrand size = 24, antiderivative size = 51 \[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\frac {x^{1+m} \operatorname {AppellF1}\left (1+m,1-\frac {i n}{2},1+\frac {i n}{2},2+m,i a x,-i a x\right )}{c (1+m)} \]
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Time = 0.07 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {5190, 138} \[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\frac {x^{m+1} \operatorname {AppellF1}\left (m+1,1-\frac {i n}{2},\frac {i n}{2}+1,m+2,i a x,-i a x\right )}{c (m+1)} \]
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Rule 138
Rule 5190
Rubi steps \begin{align*} \text {integral}& = \frac {\int x^m (1-i a x)^{-1+\frac {i n}{2}} (1+i a x)^{-1-\frac {i n}{2}} \, dx}{c} \\ & = \frac {x^{1+m} \operatorname {AppellF1}\left (1+m,1-\frac {i n}{2},1+\frac {i n}{2},2+m,i a x,-i a x\right )}{c (1+m)} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 96, normalized size of antiderivative = 1.88 \[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\frac {e^{n \arctan (a x)} \left (1-e^{2 i \arctan (a x)}\right )^{-m} \left (1+e^{2 i \arctan (a x)}\right )^m x^m \operatorname {AppellF1}\left (-\frac {i n}{2},m,-m,1-\frac {i n}{2},-e^{2 i \arctan (a x)},e^{2 i \arctan (a x)}\right )}{a c n} \]
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\[\int \frac {{\mathrm e}^{n \arctan \left (a x \right )} x^{m}}{a^{2} c \,x^{2}+c}d x\]
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\[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\int { \frac {x^{m} e^{\left (n \arctan \left (a x\right )\right )}}{a^{2} c x^{2} + c} \,d x } \]
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\[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\frac {\int \frac {x^{m} e^{n \operatorname {atan}{\left (a x \right )}}}{a^{2} x^{2} + 1}\, dx}{c} \]
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\[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\int { \frac {x^{m} e^{\left (n \arctan \left (a x\right )\right )}}{a^{2} c x^{2} + c} \,d x } \]
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\[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\int { \frac {x^{m} e^{\left (n \arctan \left (a x\right )\right )}}{a^{2} c x^{2} + c} \,d x } \]
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Timed out. \[ \int \frac {e^{n \arctan (a x)} x^m}{c+a^2 c x^2} \, dx=\int \frac {x^m\,{\mathrm {e}}^{n\,\mathrm {atan}\left (a\,x\right )}}{c\,a^2\,x^2+c} \,d x \]
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