Integrand size = 20, antiderivative size = 20 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\frac {x \arctan (a x)^{1+n}}{a c (1+n)}-\frac {\text {Int}\left (\arctan (a x)^{1+n},x\right )}{a c (1+n)} \]
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Not integrable
Time = 0.05 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {x \arctan (a x)^{1+n}}{a c (1+n)}-\frac {\int \arctan (a x)^{1+n} \, dx}{a c (1+n)} \\ \end{align*}
Not integrable
Time = 0.88 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx \]
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Not integrable
Time = 0.10 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00
\[\int \frac {x \arctan \left (a x \right )^{n}}{a^{2} c \,x^{2}+c}d x\]
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Not integrable
Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\int { \frac {x \arctan \left (a x\right )^{n}}{a^{2} c x^{2} + c} \,d x } \]
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Not integrable
Time = 0.60 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\frac {\int \frac {x \operatorname {atan}^{n}{\left (a x \right )}}{a^{2} x^{2} + 1}\, dx}{c} \]
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Exception generated. \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\text {Exception raised: RuntimeError} \]
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Not integrable
Time = 54.74 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.15 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\int { \frac {x \arctan \left (a x\right )^{n}}{a^{2} c x^{2} + c} \,d x } \]
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Not integrable
Time = 0.45 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {x \arctan (a x)^n}{c+a^2 c x^2} \, dx=\int \frac {x\,{\mathrm {atan}\left (a\,x\right )}^n}{c\,a^2\,x^2+c} \,d x \]
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