Integrand size = 26, antiderivative size = 26 \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\frac {x \sqrt {c+a^2 c x^2} \sqrt {\arctan (a x)}}{2 a^2 c}-\frac {\text {Int}\left (\frac {x}{\sqrt {c+a^2 c x^2} \sqrt {\arctan (a x)}},x\right )}{4 a}-\frac {\text {Int}\left (\frac {\sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}},x\right )}{2 a^2} \]
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Not integrable
Time = 0.15 (sec) , antiderivative size = 26, 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 = {} \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \frac {x \sqrt {c+a^2 c x^2} \sqrt {\arctan (a x)}}{2 a^2 c}-\frac {\int \frac {\sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx}{2 a^2}-\frac {\int \frac {x}{\sqrt {c+a^2 c x^2} \sqrt {\arctan (a x)}} \, dx}{4 a} \\ \end{align*}
Not integrable
Time = 3.51 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08 \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx \]
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Not integrable
Time = 13.91 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85
\[\int \frac {x^{2} \sqrt {\arctan \left (a x \right )}}{\sqrt {a^{2} c \,x^{2}+c}}d x\]
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Exception generated. \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\text {Exception raised: TypeError} \]
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Not integrable
Time = 4.08 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\int \frac {x^{2} \sqrt {\operatorname {atan}{\left (a x \right )}}}{\sqrt {c \left (a^{2} x^{2} + 1\right )}}\, dx \]
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Exception generated. \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\text {Exception raised: RuntimeError} \]
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Not integrable
Time = 182.16 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.12 \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\int { \frac {x^{2} \sqrt {\arctan \left (a x\right )}}{\sqrt {a^{2} c x^{2} + c}} \,d x } \]
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Not integrable
Time = 0.34 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \frac {x^2 \sqrt {\arctan (a x)}}{\sqrt {c+a^2 c x^2}} \, dx=\int \frac {x^2\,\sqrt {\mathrm {atan}\left (a\,x\right )}}{\sqrt {c\,a^2\,x^2+c}} \,d x \]
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