Integrand size = 16, antiderivative size = 33 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {a^2 \left (1-\frac {1}{a^2 x^2}\right )^{3/2}}{3 c^2 \left (a-\frac {1}{x}\right )^3} \]
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Time = 0.07 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {6310, 6313, 665} \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {a^2 \left (1-\frac {1}{a^2 x^2}\right )^{3/2}}{3 c^2 \left (a-\frac {1}{x}\right )^3} \]
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Rule 665
Rule 6310
Rule 6313
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {e^{\coth ^{-1}(a x)}}{\left (1-\frac {1}{a x}\right )^2 x^2} \, dx}{a^2 c^2} \\ & = -\frac {\text {Subst}\left (\int \frac {\sqrt {1-\frac {x^2}{a^2}}}{\left (1-\frac {x}{a}\right )^3} \, dx,x,\frac {1}{x}\right )}{a^2 c^2} \\ & = -\frac {a^2 \left (1-\frac {1}{a^2 x^2}\right )^{3/2}}{3 c^2 \left (a-\frac {1}{x}\right )^3} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.03 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {\sqrt {1-\frac {1}{a^2 x^2}} x (1+a x)}{3 c^2 (-1+a x)^2} \]
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Time = 0.40 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.09
method | result | size |
gosper | \(-\frac {a x +1}{3 \left (a x -1\right ) c^{2} \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(36\) |
default | \(-\frac {a x +1}{3 \left (a x -1\right ) c^{2} \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(36\) |
trager | \(-\frac {\left (a x +1\right )^{2} \sqrt {-\frac {-a x +1}{a x +1}}}{3 a \,c^{2} \left (a x -1\right )^{2}}\) | \(40\) |
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Time = 0.25 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.73 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {{\left (a^{2} x^{2} + 2 \, a x + 1\right )} \sqrt {\frac {a x - 1}{a x + 1}}}{3 \, {\left (a^{3} c^{2} x^{2} - 2 \, a^{2} c^{2} x + a c^{2}\right )}} \]
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\[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=\frac {\int \frac {1}{a^{2} x^{2} \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}} - 2 a x \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}} + \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\, dx}{c^{2}} \]
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Time = 0.20 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.70 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {1}{3 \, a c^{2} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}}} \]
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Time = 0.29 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.48 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {2 \, {\left (3 \, {\left (a + \sqrt {a^{2} - \frac {1}{x^{2}}}\right )}^{2} x^{2} + 1\right )}}{3 \, {\left ({\left (a + \sqrt {a^{2} - \frac {1}{x^{2}}}\right )} x - 1\right )}^{3} a c^{2}} \]
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Time = 4.30 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.70 \[ \int \frac {e^{\coth ^{-1}(a x)}}{(c-a c x)^2} \, dx=-\frac {1}{3\,a\,c^2\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{3/2}} \]
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