Optimal. Leaf size=75 \[ \frac{7}{4 a c^4 (1-a x)}-\frac{1}{4 a c^4 (1-a x)^2}+\frac{17 \log (1-a x)}{8 a c^4}-\frac{\log (a x+1)}{8 a c^4}+\frac{x}{c^4} \]
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Rubi [A] time = 0.162013, antiderivative size = 75, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.182, Rules used = {6167, 6131, 6129, 88} \[ \frac{7}{4 a c^4 (1-a x)}-\frac{1}{4 a c^4 (1-a x)^2}+\frac{17 \log (1-a x)}{8 a c^4}-\frac{\log (a x+1)}{8 a c^4}+\frac{x}{c^4} \]
Antiderivative was successfully verified.
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Rule 6167
Rule 6131
Rule 6129
Rule 88
Rubi steps
\begin{align*} \int \frac{e^{-2 \coth ^{-1}(a x)}}{\left (c-\frac{c}{a x}\right )^4} \, dx &=-\int \frac{e^{-2 \tanh ^{-1}(a x)}}{\left (c-\frac{c}{a x}\right )^4} \, dx\\ &=-\frac{a^4 \int \frac{e^{-2 \tanh ^{-1}(a x)} x^4}{(1-a x)^4} \, dx}{c^4}\\ &=-\frac{a^4 \int \frac{x^4}{(1-a x)^3 (1+a x)} \, dx}{c^4}\\ &=-\frac{a^4 \int \left (-\frac{1}{a^4}-\frac{1}{2 a^4 (-1+a x)^3}-\frac{7}{4 a^4 (-1+a x)^2}-\frac{17}{8 a^4 (-1+a x)}+\frac{1}{8 a^4 (1+a x)}\right ) \, dx}{c^4}\\ &=\frac{x}{c^4}-\frac{1}{4 a c^4 (1-a x)^2}+\frac{7}{4 a c^4 (1-a x)}+\frac{17 \log (1-a x)}{8 a c^4}-\frac{\log (1+a x)}{8 a c^4}\\ \end{align*}
Mathematica [A] time = 0.146722, size = 73, normalized size = 0.97 \[ -\frac{7}{4 a c^4 (a x-1)}-\frac{1}{4 a c^4 (a x-1)^2}+\frac{17 \log (1-a x)}{8 a c^4}-\frac{\log (a x+1)}{8 a c^4}+\frac{x}{c^4} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.046, size = 65, normalized size = 0.9 \begin{align*}{\frac{x}{{c}^{4}}}-{\frac{\ln \left ( ax+1 \right ) }{8\,a{c}^{4}}}-{\frac{1}{4\,a{c}^{4} \left ( ax-1 \right ) ^{2}}}-{\frac{7}{4\,a{c}^{4} \left ( ax-1 \right ) }}+{\frac{17\,\ln \left ( ax-1 \right ) }{8\,a{c}^{4}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.03637, size = 93, normalized size = 1.24 \begin{align*} -\frac{7 \, a x - 6}{4 \,{\left (a^{3} c^{4} x^{2} - 2 \, a^{2} c^{4} x + a c^{4}\right )}} + \frac{x}{c^{4}} - \frac{\log \left (a x + 1\right )}{8 \, a c^{4}} + \frac{17 \, \log \left (a x - 1\right )}{8 \, a c^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.67704, size = 211, normalized size = 2.81 \begin{align*} \frac{8 \, a^{3} x^{3} - 16 \, a^{2} x^{2} - 6 \, a x -{\left (a^{2} x^{2} - 2 \, a x + 1\right )} \log \left (a x + 1\right ) + 17 \,{\left (a^{2} x^{2} - 2 \, a x + 1\right )} \log \left (a x - 1\right ) + 12}{8 \,{\left (a^{3} c^{4} x^{2} - 2 \, a^{2} c^{4} x + a c^{4}\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.614067, size = 73, normalized size = 0.97 \begin{align*} a^{4} \left (- \frac{7 a x - 6}{4 a^{7} c^{4} x^{2} - 8 a^{6} c^{4} x + 4 a^{5} c^{4}} + \frac{x}{a^{4} c^{4}} + \frac{\frac{17 \log{\left (x - \frac{1}{a} \right )}}{8} - \frac{\log{\left (x + \frac{1}{a} \right )}}{8}}{a^{5} c^{4}}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.15018, size = 77, normalized size = 1.03 \begin{align*} \frac{x}{c^{4}} - \frac{\log \left ({\left | a x + 1 \right |}\right )}{8 \, a c^{4}} + \frac{17 \, \log \left ({\left | a x - 1 \right |}\right )}{8 \, a c^{4}} - \frac{7 \, a x - 6}{4 \,{\left (a x - 1\right )}^{2} a c^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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