Integrand size = 10, antiderivative size = 21 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\frac {\sqrt {\frac {-1+x}{x}}}{\sqrt {1+\frac {1}{x}}} \]
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Time = 0.06 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {6310, 6315, 37} \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\frac {\sqrt {\frac {x-1}{x}}}{\sqrt {\frac {1}{x}+1}} \]
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Rule 37
Rule 6310
Rule 6315
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{\coth ^{-1}(x)}}{\left (1+\frac {1}{x}\right )^2 x^2} \, dx \\ & = -\text {Subst}\left (\int \frac {1}{\sqrt {1-x} (1+x)^{3/2}} \, dx,x,\frac {1}{x}\right ) \\ & = \frac {\sqrt {\frac {-1+x}{x}}}{\sqrt {1+\frac {1}{x}}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\frac {\sqrt {1-\frac {1}{x^2}} x}{1+x} \]
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Time = 0.44 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.57
method | result | size |
derivativedivides | \(\sqrt {\frac {x -1}{1+x}}\) | \(12\) |
trager | \(\sqrt {-\frac {1-x}{1+x}}\) | \(15\) |
gosper | \(\frac {x -1}{\sqrt {\frac {x -1}{1+x}}\, \left (1+x \right )}\) | \(21\) |
risch | \(\frac {x -1}{\sqrt {\frac {x -1}{1+x}}\, \left (1+x \right )}\) | \(21\) |
default | \(\frac {\sqrt {x^{2}-1}\, \left (x -1\right )}{\left (1+x \right ) \sqrt {\left (x -1\right ) \left (1+x \right )}\, \sqrt {\frac {x -1}{1+x}}}\) | \(37\) |
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Time = 0.24 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.52 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\sqrt {\frac {x - 1}{x + 1}} \]
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Time = 3.34 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.38 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\sqrt {\frac {x - 1}{x + 1}} \]
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Time = 0.21 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.52 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\sqrt {\frac {x - 1}{x + 1}} \]
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Time = 0.27 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\frac {2}{{\left (x - \sqrt {x^{2} - 1} + 1\right )} \mathrm {sgn}\left (x + 1\right )} \]
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Time = 0.19 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.52 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1+x)^2} \, dx=\sqrt {1-\frac {2}{x+1}} \]
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