Integrand size = 18, antiderivative size = 18 \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\text {Int}\left ((a+b x)^2 \sqrt {\cot ^{-1}(a+b x)},x\right ) \]
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Not integrable
Time = 0.01 (sec) , antiderivative size = 18, 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 = {} \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx \\ \end{align*}
Not integrable
Time = 4.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.11 \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx \]
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Not integrable
Time = 0.45 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89
\[\int \left (b x +a \right )^{2} \sqrt {\operatorname {arccot}\left (b x +a \right )}d x\]
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Exception generated. \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\text {Exception raised: TypeError} \]
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Not integrable
Time = 3.13 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94 \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\int \left (a + b x\right )^{2} \sqrt {\operatorname {acot}{\left (a + b x \right )}}\, dx \]
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Exception generated. \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\text {Exception raised: RuntimeError} \]
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Not integrable
Time = 0.30 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\int { {\left (b x + a\right )}^{2} \sqrt {\operatorname {arccot}\left (b x + a\right )} \,d x } \]
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Not integrable
Time = 1.15 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int (a+b x)^2 \sqrt {\cot ^{-1}(a+b x)} \, dx=\int \sqrt {\mathrm {acot}\left (a+b\,x\right )}\,{\left (a+b\,x\right )}^2 \,d x \]
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