Integrand size = 18, antiderivative size = 69 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=-\frac {1}{6 a c^5 (1-a x)^3}-\frac {1}{8 a c^5 (1-a x)^2}-\frac {1}{8 a c^5 (1-a x)}-\frac {\text {arctanh}(a x)}{8 a c^5} \]
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Time = 0.06 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {6302, 6264, 46, 213} \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=-\frac {\text {arctanh}(a x)}{8 a c^5}-\frac {1}{8 a c^5 (1-a x)}-\frac {1}{8 a c^5 (1-a x)^2}-\frac {1}{6 a c^5 (1-a x)^3} \]
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Rule 46
Rule 213
Rule 6264
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int \frac {e^{-2 \text {arctanh}(a x)}}{(c-a c x)^5} \, dx \\ & = -\frac {\int \frac {1}{(1-a x)^4 (1+a x)} \, dx}{c^5} \\ & = -\frac {\int \left (\frac {1}{2 (-1+a x)^4}-\frac {1}{4 (-1+a x)^3}+\frac {1}{8 (-1+a x)^2}-\frac {1}{8 \left (-1+a^2 x^2\right )}\right ) \, dx}{c^5} \\ & = -\frac {1}{6 a c^5 (1-a x)^3}-\frac {1}{8 a c^5 (1-a x)^2}-\frac {1}{8 a c^5 (1-a x)}+\frac {\int \frac {1}{-1+a^2 x^2} \, dx}{8 c^5} \\ & = -\frac {1}{6 a c^5 (1-a x)^3}-\frac {1}{8 a c^5 (1-a x)^2}-\frac {1}{8 a c^5 (1-a x)}-\frac {\text {arctanh}(a x)}{8 a c^5} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.64 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=\frac {10-9 a x+3 a^2 x^2-3 (-1+a x)^3 \text {arctanh}(a x)}{24 a c^5 (-1+a x)^3} \]
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Time = 0.49 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.83
method | result | size |
risch | \(\frac {\frac {a \,x^{2}}{8}-\frac {3 x}{8}+\frac {5}{12 a}}{\left (a x -1\right )^{3} c^{5}}-\frac {\ln \left (a x +1\right )}{16 c^{5} a}+\frac {\ln \left (-a x +1\right )}{16 c^{5} a}\) | \(57\) |
default | \(\frac {-\frac {\ln \left (a x +1\right )}{16 a}+\frac {1}{6 a \left (a x -1\right )^{3}}-\frac {1}{8 \left (a x -1\right )^{2} a}+\frac {1}{8 a \left (a x -1\right )}+\frac {\ln \left (a x -1\right )}{16 a}}{c^{5}}\) | \(64\) |
norman | \(\frac {-\frac {7 x}{8 c}+\frac {2 a \,x^{2}}{c}-\frac {37 a^{2} x^{3}}{24 c}+\frac {5 a^{3} x^{4}}{12 c}}{c^{4} \left (a x -1\right )^{4}}+\frac {\ln \left (a x -1\right )}{16 a \,c^{5}}-\frac {\ln \left (a x +1\right )}{16 c^{5} a}\) | \(79\) |
parallelrisch | \(\frac {3 a^{3} \ln \left (a x -1\right ) x^{3}-3 a^{3} \ln \left (a x +1\right ) x^{3}+20 a^{3} x^{3}-9 a^{2} \ln \left (a x -1\right ) x^{2}+9 a^{2} \ln \left (a x +1\right ) x^{2}-54 a^{2} x^{2}+9 a \ln \left (a x -1\right ) x -9 a \ln \left (a x +1\right ) x +42 a x -3 \ln \left (a x -1\right )+3 \ln \left (a x +1\right )}{48 c^{5} \left (a x -1\right )^{3} a}\) | \(129\) |
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Time = 0.24 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.64 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=\frac {6 \, a^{2} x^{2} - 18 \, a x - 3 \, {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \log \left (a x + 1\right ) + 3 \, {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \log \left (a x - 1\right ) + 20}{48 \, {\left (a^{4} c^{5} x^{3} - 3 \, a^{3} c^{5} x^{2} + 3 \, a^{2} c^{5} x - a c^{5}\right )}} \]
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Time = 0.26 (sec) , antiderivative size = 78, normalized size of antiderivative = 1.13 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=- \frac {- 3 a^{2} x^{2} + 9 a x - 10}{24 a^{4} c^{5} x^{3} - 72 a^{3} c^{5} x^{2} + 72 a^{2} c^{5} x - 24 a c^{5}} - \frac {- \frac {\log {\left (x - \frac {1}{a} \right )}}{16} + \frac {\log {\left (x + \frac {1}{a} \right )}}{16}}{a c^{5}} \]
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Time = 0.21 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.22 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=\frac {3 \, a^{2} x^{2} - 9 \, a x + 10}{24 \, {\left (a^{4} c^{5} x^{3} - 3 \, a^{3} c^{5} x^{2} + 3 \, a^{2} c^{5} x - a c^{5}\right )}} - \frac {\log \left (a x + 1\right )}{16 \, a c^{5}} + \frac {\log \left (a x - 1\right )}{16 \, a c^{5}} \]
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Time = 0.25 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.29 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=-\frac {\log \left ({\left | -\frac {2 \, c}{a c x - c} - 1 \right |}\right )}{16 \, a c^{5}} + \frac {\frac {3 \, a^{2} c^{2}}{a c x - c} - \frac {3 \, a^{2} c^{3}}{{\left (a c x - c\right )}^{2}} + \frac {4 \, a^{2} c^{4}}{{\left (a c x - c\right )}^{3}}}{24 \, a^{3} c^{6}} \]
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Time = 4.43 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.94 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{(c-a c x)^5} \, dx=-\frac {\frac {a\,x^2}{8}-\frac {3\,x}{8}+\frac {5}{12\,a}}{-a^3\,c^5\,x^3+3\,a^2\,c^5\,x^2-3\,a\,c^5\,x+c^5}-\frac {\mathrm {atanh}\left (a\,x\right )}{8\,a\,c^5} \]
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