Integrand size = 16, antiderivative size = 27 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-3 c x-\frac {1}{2} a c x^2-\frac {4 c \log (1-a x)}{a} \]
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Time = 0.03 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {6302, 6264, 45} \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-\frac {1}{2} a c x^2-\frac {4 c \log (1-a x)}{a}-3 c x \]
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Rule 45
Rule 6264
Rule 6302
Rubi steps \begin{align*} \text {integral}& = \int e^{4 \text {arctanh}(a x)} (c-a c x) \, dx \\ & = c \int \frac {(1+a x)^2}{1-a x} \, dx \\ & = c \int \left (-3-a x+\frac {4}{1-a x}\right ) \, dx \\ & = -3 c x-\frac {1}{2} a c x^2-\frac {4 c \log (1-a x)}{a} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=c \left (-3 x-\frac {a x^2}{2}-\frac {4 \log (1-a x)}{a}\right ) \]
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Time = 0.54 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89
method | result | size |
default | \(c \left (-\frac {a \,x^{2}}{2}-3 x -\frac {4 \ln \left (a x -1\right )}{a}\right )\) | \(24\) |
risch | \(-\frac {a c \,x^{2}}{2}-3 c x -\frac {4 c \ln \left (a x -1\right )}{a}\) | \(25\) |
parallelrisch | \(-\frac {a^{2} c \,x^{2}+6 a c x +8 c \ln \left (a x -1\right )}{2 a}\) | \(29\) |
norman | \(\frac {3 c x -\frac {5}{2} a c \,x^{2}-\frac {1}{2} a^{2} c \,x^{3}}{a x -1}-\frac {4 c \ln \left (a x -1\right )}{a}\) | \(43\) |
meijerg | \(-\frac {c \left (\frac {a x \left (-2 a^{2} x^{2}-6 a x +12\right )}{-4 a x +4}+3 \ln \left (-a x +1\right )\right )}{a}+\frac {c \left (-\frac {a x \left (-3 a x +6\right )}{3 \left (-a x +1\right )}-2 \ln \left (-a x +1\right )\right )}{a}+\frac {c \left (\frac {a x}{-a x +1}+\ln \left (-a x +1\right )\right )}{a}+\frac {c x}{-a x +1}\) | \(112\) |
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Time = 0.24 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-\frac {a^{2} c x^{2} + 6 \, a c x + 8 \, c \log \left (a x - 1\right )}{2 \, a} \]
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Time = 0.08 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=- \frac {a c x^{2}}{2} - 3 c x - \frac {4 c \log {\left (a x - 1 \right )}}{a} \]
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Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-\frac {1}{2} \, a c x^{2} - 3 \, c x - \frac {4 \, c \log \left (a x - 1\right )}{a} \]
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Time = 0.27 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.85 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-\frac {{\left (a x - 1\right )}^{2} {\left (c + \frac {8 \, c}{a x - 1}\right )}}{2 \, a} + \frac {4 \, c \log \left (\frac {{\left | a x - 1 \right |}}{{\left (a x - 1\right )}^{2} {\left | a \right |}}\right )}{a} \]
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Time = 4.14 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.96 \[ \int e^{4 \coth ^{-1}(a x)} (c-a c x) \, dx=-\frac {c\,\left (8\,\ln \left (a\,x-1\right )+6\,a\,x+a^2\,x^2\right )}{2\,a} \]
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