Integrand size = 21, antiderivative size = 21 \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\text {Int}\left (\left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)},x\right ) \]
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Not integrable
Time = 0.02 (sec) , antiderivative size = 21, 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 = {} \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx \\ \end{align*}
Not integrable
Time = 1.13 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx \]
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Not integrable
Time = 3.64 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90
\[\int \left (a^{2} c \,x^{2}+c \right )^{3} \sqrt {\arctan \left (a x \right )}d x\]
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Exception generated. \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\text {Exception raised: TypeError} \]
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Not integrable
Time = 4.30 (sec) , antiderivative size = 66, normalized size of antiderivative = 3.14 \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=c^{3} \left (\int 3 a^{2} x^{2} \sqrt {\operatorname {atan}{\left (a x \right )}}\, dx + \int 3 a^{4} x^{4} \sqrt {\operatorname {atan}{\left (a x \right )}}\, dx + \int a^{6} x^{6} \sqrt {\operatorname {atan}{\left (a x \right )}}\, dx + \int \sqrt {\operatorname {atan}{\left (a x \right )}}\, dx\right ) \]
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Exception generated. \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\text {Exception raised: RuntimeError} \]
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Not integrable
Time = 53.33 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.14 \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\int { {\left (a^{2} c x^{2} + c\right )}^{3} \sqrt {\arctan \left (a x\right )} \,d x } \]
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Not integrable
Time = 0.47 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \left (c+a^2 c x^2\right )^3 \sqrt {\arctan (a x)} \, dx=\int \sqrt {\mathrm {atan}\left (a\,x\right )}\,{\left (c\,a^2\,x^2+c\right )}^3 \,d x \]
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