Integrand size = 22, antiderivative size = 18 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {e^{-3 \coth ^{-1}(a x)}}{3 a c} \]
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Time = 0.03 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.045, Rules used = {6318} \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {e^{-3 \coth ^{-1}(a x)}}{3 a c} \]
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Rule 6318
Rubi steps \begin{align*} \text {integral}& = -\frac {e^{-3 \coth ^{-1}(a x)}}{3 a c} \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {e^{-3 \coth ^{-1}(a x)}}{3 a c} \]
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Time = 0.52 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.33
method | result | size |
gosper | \(-\frac {\left (\frac {a x -1}{a x +1}\right )^{\frac {3}{2}}}{3 a c}\) | \(24\) |
default | \(-\frac {\left (\frac {a x -1}{a x +1}\right )^{\frac {3}{2}}}{3 a c}\) | \(24\) |
trager | \(-\frac {\left (a x -1\right ) \sqrt {-\frac {-a x +1}{a x +1}}}{3 a c \left (a x +1\right )}\) | \(38\) |
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none
Time = 0.25 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.89 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {{\left (a x - 1\right )} \sqrt {\frac {a x - 1}{a x + 1}}}{3 \, {\left (a^{2} c x + a c\right )}} \]
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\[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=- \frac {\int \left (- \frac {\sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}{a^{3} x^{3} + a^{2} x^{2} - a x - 1}\right )\, dx + \int \frac {a x \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}{a^{3} x^{3} + a^{2} x^{2} - a x - 1}\, dx}{c} \]
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none
Time = 0.20 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {\left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}}}{3 \, a c} \]
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Leaf count of result is larger than twice the leaf count of optimal. 49 vs. \(2 (23) = 46\).
Time = 0.31 (sec) , antiderivative size = 49, normalized size of antiderivative = 2.72 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=\frac {2 \, {\left (3 \, {\left (a + \sqrt {a^{2} - \frac {1}{x^{2}}}\right )}^{2} x^{2} + 1\right )}}{3 \, {\left ({\left (a + \sqrt {a^{2} - \frac {1}{x^{2}}}\right )} x + 1\right )}^{3} a c} \]
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Time = 4.27 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.28 \[ \int \frac {e^{-3 \coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx=-\frac {{\left (\frac {a\,x-1}{a\,x+1}\right )}^{3/2}}{3\,a\,c} \]
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