Integrand size = 12, antiderivative size = 8 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{2} \coth ^{-1}(x)^2 \]
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Time = 0.02 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {6096} \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{2} \coth ^{-1}(x)^2 \]
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Rule 6096
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \coth ^{-1}(x)^2 \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{2} \coth ^{-1}(x)^2 \]
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Time = 0.36 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.62
method | result | size |
default | \(\operatorname {arctanh}\left (x \right ) \operatorname {arccoth}\left (x \right )-\frac {\operatorname {arctanh}\left (x \right )^{2}}{2}\) | \(13\) |
parts | \(\operatorname {arctanh}\left (x \right ) \operatorname {arccoth}\left (x \right )-\frac {\operatorname {arctanh}\left (x \right )^{2}}{2}\) | \(13\) |
risch | \(\frac {\ln \left (x -1\right )^{2}}{8}-\frac {\ln \left (1+x \right ) \ln \left (x -1\right )}{4}+\frac {\ln \left (1+x \right )^{2}}{8}\) | \(28\) |
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Leaf count of result is larger than twice the leaf count of optimal. 14 vs. \(2 (6) = 12\).
Time = 0.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.75 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{8} \, \log \left (\frac {x + 1}{x - 1}\right )^{2} \]
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Time = 0.28 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.62 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {\operatorname {acoth}^{2}{\left (x \right )}}{2} \]
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none
Time = 0.19 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.75 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{2} \, \operatorname {arcoth}\left (x\right )^{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 14 vs. \(2 (6) = 12\).
Time = 0.27 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.75 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {1}{8} \, \log \left (\frac {x + 1}{x - 1}\right )^{2} \]
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Time = 4.09 (sec) , antiderivative size = 21, normalized size of antiderivative = 2.62 \[ \int \frac {\coth ^{-1}(x)}{1-x^2} \, dx=\frac {{\left (\ln \left (1-\frac {1}{x}\right )-\ln \left (\frac {1}{x}+1\right )\right )}^2}{8} \]
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