Integrand size = 21, antiderivative size = 21 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\text {Int}\left (\frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3},x\right ) \]
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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 = {} \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx \\ \end{align*}
Not integrable
Time = 1.06 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx \]
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Not integrable
Time = 32.55 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90
\[\int \frac {\sqrt {a^{2} c \,x^{2}+c}}{\arctan \left (a x \right )^{3}}d x\]
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Not integrable
Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int { \frac {\sqrt {a^{2} c x^{2} + c}}{\arctan \left (a x\right )^{3}} \,d x } \]
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Not integrable
Time = 1.12 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int \frac {\sqrt {c \left (a^{2} x^{2} + 1\right )}}{\operatorname {atan}^{3}{\left (a x \right )}}\, dx \]
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Not integrable
Time = 0.35 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int { \frac {\sqrt {a^{2} c x^{2} + c}}{\arctan \left (a x\right )^{3}} \,d x } \]
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Not integrable
Time = 77.58 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.14 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int { \frac {\sqrt {a^{2} c x^{2} + c}}{\arctan \left (a x\right )^{3}} \,d x } \]
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Not integrable
Time = 0.40 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {c+a^2 c x^2}}{\arctan (a x)^3} \, dx=\int \frac {\sqrt {c\,a^2\,x^2+c}}{{\mathrm {atan}\left (a\,x\right )}^3} \,d x \]
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