Optimal. Leaf size=144 \[ -\frac{11}{64 a c^4 (1-a x)}+\frac{99}{32 a c^4 (a x+1)}+\frac{1}{64 a c^4 (1-a x)^2}-\frac{35}{32 a c^4 (a x+1)^2}+\frac{13}{48 a c^4 (a x+1)^3}-\frac{1}{32 a c^4 (a x+1)^4}-\frac{47 \log (1-a x)}{128 a c^4}+\frac{303 \log (a x+1)}{128 a c^4}-\frac{x}{c^4} \]
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Rubi [A] time = 0.200986, antiderivative size = 144, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.136, Rules used = {6157, 6150, 88} \[ -\frac{11}{64 a c^4 (1-a x)}+\frac{99}{32 a c^4 (a x+1)}+\frac{1}{64 a c^4 (1-a x)^2}-\frac{35}{32 a c^4 (a x+1)^2}+\frac{13}{48 a c^4 (a x+1)^3}-\frac{1}{32 a c^4 (a x+1)^4}-\frac{47 \log (1-a x)}{128 a c^4}+\frac{303 \log (a x+1)}{128 a c^4}-\frac{x}{c^4} \]
Antiderivative was successfully verified.
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Rule 6157
Rule 6150
Rule 88
Rubi steps
\begin{align*} \int \frac{e^{-2 \tanh ^{-1}(a x)}}{\left (c-\frac{c}{a^2 x^2}\right )^4} \, dx &=\frac{a^8 \int \frac{e^{-2 \tanh ^{-1}(a x)} x^8}{\left (1-a^2 x^2\right )^4} \, dx}{c^4}\\ &=\frac{a^8 \int \frac{x^8}{(1-a x)^3 (1+a x)^5} \, dx}{c^4}\\ &=\frac{a^8 \int \left (-\frac{1}{a^8}-\frac{1}{32 a^8 (-1+a x)^3}-\frac{11}{64 a^8 (-1+a x)^2}-\frac{47}{128 a^8 (-1+a x)}+\frac{1}{8 a^8 (1+a x)^5}-\frac{13}{16 a^8 (1+a x)^4}+\frac{35}{16 a^8 (1+a x)^3}-\frac{99}{32 a^8 (1+a x)^2}+\frac{303}{128 a^8 (1+a x)}\right ) \, dx}{c^4}\\ &=-\frac{x}{c^4}+\frac{1}{64 a c^4 (1-a x)^2}-\frac{11}{64 a c^4 (1-a x)}-\frac{1}{32 a c^4 (1+a x)^4}+\frac{13}{48 a c^4 (1+a x)^3}-\frac{35}{32 a c^4 (1+a x)^2}+\frac{99}{32 a c^4 (1+a x)}-\frac{47 \log (1-a x)}{128 a c^4}+\frac{303 \log (1+a x)}{128 a c^4}\\ \end{align*}
Mathematica [A] time = 0.0899573, size = 121, normalized size = 0.84 \[ \frac{-384 a^7 x^7-768 a^6 x^6+1638 a^5 x^5+2508 a^4 x^4-1732 a^3 x^3-2516 a^2 x^2+550 a x-141 (a x-1)^2 (a x+1)^4 \log (1-a x)+909 (a x-1)^2 (a x+1)^4 \log (a x+1)+800}{384 a (a x-1)^2 (a c x+c)^4} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.047, size = 126, normalized size = 0.9 \begin{align*} -{\frac{x}{{c}^{4}}}-{\frac{1}{32\,a{c}^{4} \left ( ax+1 \right ) ^{4}}}+{\frac{13}{48\,a{c}^{4} \left ( ax+1 \right ) ^{3}}}-{\frac{35}{32\,a{c}^{4} \left ( ax+1 \right ) ^{2}}}+{\frac{99}{32\,a{c}^{4} \left ( ax+1 \right ) }}+{\frac{303\,\ln \left ( ax+1 \right ) }{128\,a{c}^{4}}}+{\frac{1}{64\,a{c}^{4} \left ( ax-1 \right ) ^{2}}}+{\frac{11}{64\,a{c}^{4} \left ( ax-1 \right ) }}-{\frac{47\,\ln \left ( ax-1 \right ) }{128\,a{c}^{4}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.991712, size = 197, normalized size = 1.37 \begin{align*} \frac{627 \, a^{5} x^{5} + 486 \, a^{4} x^{4} - 1058 \, a^{3} x^{3} - 874 \, a^{2} x^{2} + 467 \, a x + 400}{192 \,{\left (a^{7} c^{4} x^{6} + 2 \, a^{6} c^{4} x^{5} - a^{5} c^{4} x^{4} - 4 \, a^{4} c^{4} x^{3} - a^{3} c^{4} x^{2} + 2 \, a^{2} c^{4} x + a c^{4}\right )}} - \frac{x}{c^{4}} + \frac{303 \, \log \left (a x + 1\right )}{128 \, a c^{4}} - \frac{47 \, \log \left (a x - 1\right )}{128 \, a c^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.77335, size = 510, normalized size = 3.54 \begin{align*} -\frac{384 \, a^{7} x^{7} + 768 \, a^{6} x^{6} - 1638 \, a^{5} x^{5} - 2508 \, a^{4} x^{4} + 1732 \, a^{3} x^{3} + 2516 \, a^{2} x^{2} - 550 \, a x - 909 \,{\left (a^{6} x^{6} + 2 \, a^{5} x^{5} - a^{4} x^{4} - 4 \, a^{3} x^{3} - a^{2} x^{2} + 2 \, a x + 1\right )} \log \left (a x + 1\right ) + 141 \,{\left (a^{6} x^{6} + 2 \, a^{5} x^{5} - a^{4} x^{4} - 4 \, a^{3} x^{3} - a^{2} x^{2} + 2 \, a x + 1\right )} \log \left (a x - 1\right ) - 800}{384 \,{\left (a^{7} c^{4} x^{6} + 2 \, a^{6} c^{4} x^{5} - a^{5} c^{4} x^{4} - 4 \, a^{4} c^{4} x^{3} - 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 = 5.42726, size = 158, normalized size = 1.1 \begin{align*} - a^{8} \left (- \frac{627 a^{5} x^{5} + 486 a^{4} x^{4} - 1058 a^{3} x^{3} - 874 a^{2} x^{2} + 467 a x + 400}{192 a^{15} c^{4} x^{6} + 384 a^{14} c^{4} x^{5} - 192 a^{13} c^{4} x^{4} - 768 a^{12} c^{4} x^{3} - 192 a^{11} c^{4} x^{2} + 384 a^{10} c^{4} x + 192 a^{9} c^{4}} + \frac{x}{a^{8} c^{4}} + \frac{\frac{47 \log{\left (x - \frac{1}{a} \right )}}{128} - \frac{303 \log{\left (x + \frac{1}{a} \right )}}{128}}{a^{9} c^{4}}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.21461, size = 221, normalized size = 1.53 \begin{align*} -\frac{2 \, \log \left (\frac{{\left | a x + 1 \right |}}{{\left (a x + 1\right )}^{2}{\left | a \right |}}\right )}{a c^{4}} - \frac{47 \, \log \left ({\left | -\frac{2}{a x + 1} + 1 \right |}\right )}{128 \, a c^{4}} + \frac{{\left (a x + 1\right )}{\left (\frac{1045}{a x + 1} - \frac{1064}{{\left (a x + 1\right )}^{2}} - 256\right )}}{256 \, a c^{4}{\left (\frac{2}{a x + 1} - 1\right )}^{2}} + \frac{\frac{297 \, a^{19} c^{12}}{a x + 1} - \frac{105 \, a^{19} c^{12}}{{\left (a x + 1\right )}^{2}} + \frac{26 \, a^{19} c^{12}}{{\left (a x + 1\right )}^{3}} - \frac{3 \, a^{19} c^{12}}{{\left (a x + 1\right )}^{4}}}{96 \, a^{20} c^{16}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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