Integrand size = 18, antiderivative size = 14 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log (1+a x)}{a c} \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {6302, 6264, 31} \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log (a x+1)}{a c} \]
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Rule 31
Rule 6264
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int \frac {e^{-2 \text {arctanh}(a x)}}{c-a c x} \, dx \\ & = -\frac {\int \frac {1}{1+a x} \, dx}{c} \\ & = -\frac {\log (1+a x)}{a c} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log (1+a x)}{a c} \]
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Time = 0.48 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.07
method | result | size |
default | \(-\frac {\ln \left (a x +1\right )}{a c}\) | \(15\) |
norman | \(-\frac {\ln \left (a x +1\right )}{a c}\) | \(15\) |
risch | \(-\frac {\ln \left (a x +1\right )}{a c}\) | \(15\) |
parallelrisch | \(-\frac {\ln \left (a x +1\right )}{a c}\) | \(15\) |
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none
Time = 0.24 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log \left (a x + 1\right )}{a c} \]
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Time = 0.03 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=- \frac {\log {\left (a c x + c \right )}}{a c} \]
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none
Time = 0.20 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log \left (a x + 1\right )}{a c} \]
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none
Time = 0.27 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.07 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\log \left ({\left | a x + 1 \right |}\right )}{a c} \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{c-a c x} \, dx=-\frac {\ln \left (a\,x+1\right )}{a\,c} \]
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