Integrand size = 14, antiderivative size = 90 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=-\frac {\sqrt {1-\frac {1}{x}} \sqrt {1+\frac {1}{x}} x}{(1-x)^{3/2}}-\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {1+\frac {1}{x}}}\right )}{\sqrt {2} (1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}} \]
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Time = 0.11 (sec) , antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {6311, 6316, 96, 95, 212} \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=-\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {\frac {1}{x}+1}}\right )}{\sqrt {2} (1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}}-\frac {\sqrt {\frac {1}{x}+1} x \sqrt {1-\frac {1}{x}}}{(1-x)^{3/2}} \]
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Rule 95
Rule 96
Rule 212
Rule 6311
Rule 6316
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\left (1-\frac {1}{x}\right )^{3/2} x^{3/2}\right ) \int \frac {e^{\coth ^{-1}(x)}}{\left (1-\frac {1}{x}\right )^{3/2} x^{3/2}} \, dx}{(1-x)^{3/2}} \\ & = -\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {Subst}\left (\int \frac {\sqrt {1+x}}{(1-x)^2 \sqrt {x}} \, dx,x,\frac {1}{x}\right )}{(1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}} \\ & = -\frac {\sqrt {1-\frac {1}{x}} \sqrt {1+\frac {1}{x}} x}{(1-x)^{3/2}}-\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {Subst}\left (\int \frac {1}{(1-x) \sqrt {x} \sqrt {1+x}} \, dx,x,\frac {1}{x}\right )}{2 (1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}} \\ & = -\frac {\sqrt {1-\frac {1}{x}} \sqrt {1+\frac {1}{x}} x}{(1-x)^{3/2}}-\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {Subst}\left (\int \frac {1}{1-2 x^2} \, dx,x,\frac {\sqrt {\frac {1}{x}}}{\sqrt {1+\frac {1}{x}}}\right )}{(1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}} \\ & = -\frac {\sqrt {1-\frac {1}{x}} \sqrt {1+\frac {1}{x}} x}{(1-x)^{3/2}}-\frac {\left (1-\frac {1}{x}\right )^{3/2} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {1+\frac {1}{x}}}\right )}{\sqrt {2} (1-x)^{3/2} \left (\frac {1}{x}\right )^{3/2}} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 69, normalized size of antiderivative = 0.77 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=-\frac {\sqrt {\frac {-1+x}{x}} x \left (2 \sqrt {1+\frac {1}{x}}+\sqrt {2} (-1+x) \sqrt {\frac {1}{x}} \text {arctanh}\left (\sqrt {2} \sqrt {\frac {1}{1+x}}\right )\right )}{2 (1-x)^{3/2}} \]
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Time = 0.47 (sec) , antiderivative size = 79, normalized size of antiderivative = 0.88
method | result | size |
default | \(-\frac {\sqrt {1-x}\, \left (\sqrt {2}\, \arctan \left (\frac {\sqrt {-1-x}\, \sqrt {2}}{2}\right ) x -\sqrt {2}\, \arctan \left (\frac {\sqrt {-1-x}\, \sqrt {2}}{2}\right )+2 \sqrt {-1-x}\right )}{2 \sqrt {\frac {x -1}{1+x}}\, \left (x -1\right ) \sqrt {-1-x}}\) | \(79\) |
risch | \(\frac {\sqrt {\frac {\left (1+x \right ) \left (1-x \right )}{x -1}}}{\sqrt {-1-x}\, \sqrt {\frac {x -1}{1+x}}\, \sqrt {1-x}}-\frac {\sqrt {2}\, \arctan \left (\frac {\sqrt {-1-x}\, \sqrt {2}}{2}\right ) \sqrt {\frac {\left (1+x \right ) \left (1-x \right )}{x -1}}\, \left (x -1\right )}{2 \sqrt {\frac {x -1}{1+x}}\, \left (1+x \right ) \sqrt {1-x}}\) | \(104\) |
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Time = 0.25 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.84 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=-\frac {\sqrt {2} {\left (x^{2} - 2 \, x + 1\right )} \arctan \left (\frac {\sqrt {2} \sqrt {-x + 1} \sqrt {\frac {x - 1}{x + 1}}}{x - 1}\right ) + 2 \, {\left (x + 1\right )} \sqrt {-x + 1} \sqrt {\frac {x - 1}{x + 1}}}{2 \, {\left (x^{2} - 2 \, x + 1\right )}} \]
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Time = 97.85 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.78 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=- 2 \left (\begin {cases} \frac {\sqrt {2} \left (\frac {\operatorname {acos}{\left (\frac {\sqrt {2}}{\sqrt {1 - x}} \right )}}{2} - \frac {\sqrt {2} \sqrt {1 - \frac {2}{1 - x}}}{2 \sqrt {1 - x}}\right )}{2} & \text {for}\: \sqrt {1 - x} > - \sqrt {2} \wedge \sqrt {1 - x} < \sqrt {2} \end {cases}\right ) \]
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\[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=\int { \frac {1}{{\left (-x + 1\right )}^{\frac {3}{2}} \sqrt {\frac {x - 1}{x + 1}}} \,d x } \]
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Time = 0.29 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.36 \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=\frac {1}{2} \, \sqrt {2} \arctan \left (\frac {1}{2} \, \sqrt {2} \sqrt {-x - 1}\right ) + \frac {\sqrt {-x - 1}}{x - 1} \]
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Timed out. \[ \int \frac {e^{\coth ^{-1}(x)}}{(1-x)^{3/2}} \, dx=\int \frac {1}{\sqrt {\frac {x-1}{x+1}}\,{\left (1-x\right )}^{3/2}} \,d x \]
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