Integrand size = 22, antiderivative size = 119 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=-\frac {1}{64 a c^4 (1-a x)^2}-\frac {5}{64 a c^4 (1-a x)}+\frac {1}{32 a c^4 (1+a x)^4}+\frac {1}{16 a c^4 (1+a x)^3}+\frac {3}{32 a c^4 (1+a x)^2}+\frac {5}{32 a c^4 (1+a x)}-\frac {15 \text {arctanh}(a x)}{64 a c^4} \]
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Time = 0.10 (sec) , antiderivative size = 119, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {6302, 6275, 46, 213} \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=-\frac {15 \text {arctanh}(a x)}{64 a c^4}-\frac {5}{64 a c^4 (1-a x)}+\frac {5}{32 a c^4 (a x+1)}-\frac {1}{64 a c^4 (1-a x)^2}+\frac {3}{32 a c^4 (a x+1)^2}+\frac {1}{16 a c^4 (a x+1)^3}+\frac {1}{32 a c^4 (a x+1)^4} \]
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Rule 46
Rule 213
Rule 6275
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int \frac {e^{-2 \text {arctanh}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx \\ & = -\frac {\int \frac {1}{(1-a x)^3 (1+a x)^5} \, dx}{c^4} \\ & = -\frac {\int \left (-\frac {1}{32 (-1+a x)^3}+\frac {5}{64 (-1+a x)^2}+\frac {1}{8 (1+a x)^5}+\frac {3}{16 (1+a x)^4}+\frac {3}{16 (1+a x)^3}+\frac {5}{32 (1+a x)^2}-\frac {15}{64 \left (-1+a^2 x^2\right )}\right ) \, dx}{c^4} \\ & = -\frac {1}{64 a c^4 (1-a x)^2}-\frac {5}{64 a c^4 (1-a x)}+\frac {1}{32 a c^4 (1+a x)^4}+\frac {1}{16 a c^4 (1+a x)^3}+\frac {3}{32 a c^4 (1+a x)^2}+\frac {5}{32 a c^4 (1+a x)}+\frac {15 \int \frac {1}{-1+a^2 x^2} \, dx}{64 c^4} \\ & = -\frac {1}{64 a c^4 (1-a x)^2}-\frac {5}{64 a c^4 (1-a x)}+\frac {1}{32 a c^4 (1+a x)^4}+\frac {1}{16 a c^4 (1+a x)^3}+\frac {3}{32 a c^4 (1+a x)^2}+\frac {5}{32 a c^4 (1+a x)}-\frac {15 \text {arctanh}(a x)}{64 a c^4} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.67 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=\frac {16-17 a x-50 a^2 x^2-10 a^3 x^3+30 a^4 x^4+15 a^5 x^5-15 (-1+a x)^2 (1+a x)^4 \text {arctanh}(a x)}{64 a (-1+a x)^2 (c+a c x)^4} \]
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Time = 0.60 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.77
method | result | size |
risch | \(\frac {\frac {15 a^{4} x^{5}}{64}+\frac {15 a^{3} x^{4}}{32}-\frac {5 a^{2} x^{3}}{32}-\frac {25 a \,x^{2}}{32}-\frac {17 x}{64}+\frac {1}{4 a}}{\left (a x +1\right )^{2} \left (a^{2} x^{2}-1\right )^{2} c^{4}}-\frac {15 \ln \left (a x +1\right )}{128 a \,c^{4}}+\frac {15 \ln \left (-a x +1\right )}{128 a \,c^{4}}\) | \(92\) |
default | \(\frac {\frac {1}{32 a \left (a x +1\right )^{4}}+\frac {1}{16 a \left (a x +1\right )^{3}}+\frac {3}{32 a \left (a x +1\right )^{2}}+\frac {5}{32 a \left (a x +1\right )}-\frac {15 \ln \left (a x +1\right )}{128 a}-\frac {1}{64 \left (a x -1\right )^{2} a}+\frac {5}{64 a \left (a x -1\right )}+\frac {15 \ln \left (a x -1\right )}{128 a}}{c^{4}}\) | \(100\) |
norman | \(\frac {\frac {49 x}{64 c}-\frac {15 a \,x^{2}}{64 c}-\frac {11 a^{2} x^{3}}{8 c}+\frac {a^{3} x^{4}}{8 c}+\frac {63 a^{4} x^{5}}{64 c}-\frac {a^{5} x^{6}}{64 c}-\frac {a^{6} x^{7}}{4 c}}{\left (a x +1\right )^{4} c^{3} \left (a x -1\right )^{3}}+\frac {15 \ln \left (a x -1\right )}{128 a \,c^{4}}-\frac {15 \ln \left (a x +1\right )}{128 a \,c^{4}}\) | \(119\) |
parallelrisch | \(\frac {-30 a \ln \left (a x +1\right ) x +15 a^{2} \ln \left (a x +1\right ) x^{2}-34 a^{5} x^{5}+108 a^{3} x^{3}-30 \ln \left (a x +1\right ) x^{5} a^{5}-15 \ln \left (a x +1\right ) x^{6} a^{6}+15 \ln \left (a x +1\right ) x^{4} a^{4}+15 \ln \left (a x -1\right ) x^{6} a^{6}+30 \ln \left (a x -1\right ) x^{5} a^{5}-15 \ln \left (a x -1\right ) x^{4} a^{4}+60 a^{3} \ln \left (a x +1\right ) x^{3}-32 a^{6} x^{6}-98 a x -60 a^{3} \ln \left (a x -1\right ) x^{3}-15 a^{2} \ln \left (a x -1\right ) x^{2}+30 a \ln \left (a x -1\right ) x +92 a^{4} x^{4}+15 \ln \left (a x -1\right )-15 \ln \left (a x +1\right )-68 a^{2} x^{2}}{128 c^{4} \left (a x +1\right )^{2} \left (a^{2} x^{2}-1\right )^{2} a}\) | \(248\) |
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Leaf count of result is larger than twice the leaf count of optimal. 217 vs. \(2 (103) = 206\).
Time = 0.27 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.82 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=\frac {30 \, a^{5} x^{5} + 60 \, a^{4} x^{4} - 20 \, a^{3} x^{3} - 100 \, a^{2} x^{2} - 34 \, a x - 15 \, {\left (a^{6} x^{6} + 2 \, a^{5} x^{5} - a^{4} x^{4} - 4 \, a^{3} x^{3} - a^{2} x^{2} + 2 \, a x + 1\right )} \log \left (a x + 1\right ) + 15 \, {\left (a^{6} x^{6} + 2 \, a^{5} x^{5} - a^{4} x^{4} - 4 \, a^{3} x^{3} - a^{2} x^{2} + 2 \, a x + 1\right )} \log \left (a x - 1\right ) + 32}{128 \, {\left (a^{7} c^{4} x^{6} + 2 \, a^{6} c^{4} x^{5} - a^{5} c^{4} x^{4} - 4 \, a^{4} c^{4} x^{3} - a^{3} c^{4} x^{2} + 2 \, a^{2} c^{4} x + a c^{4}\right )}} \]
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Time = 0.34 (sec) , antiderivative size = 141, normalized size of antiderivative = 1.18 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=\frac {15 a^{5} x^{5} + 30 a^{4} x^{4} - 10 a^{3} x^{3} - 50 a^{2} x^{2} - 17 a x + 16}{64 a^{7} c^{4} x^{6} + 128 a^{6} c^{4} x^{5} - 64 a^{5} c^{4} x^{4} - 256 a^{4} c^{4} x^{3} - 64 a^{3} c^{4} x^{2} + 128 a^{2} c^{4} x + 64 a c^{4}} + \frac {\frac {15 \log {\left (x - \frac {1}{a} \right )}}{128} - \frac {15 \log {\left (x + \frac {1}{a} \right )}}{128}}{a c^{4}} \]
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Time = 0.21 (sec) , antiderivative size = 140, normalized size of antiderivative = 1.18 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=\frac {15 \, a^{5} x^{5} + 30 \, a^{4} x^{4} - 10 \, a^{3} x^{3} - 50 \, a^{2} x^{2} - 17 \, a x + 16}{64 \, {\left (a^{7} c^{4} x^{6} + 2 \, a^{6} c^{4} x^{5} - a^{5} c^{4} x^{4} - 4 \, a^{4} c^{4} x^{3} - a^{3} c^{4} x^{2} + 2 \, a^{2} c^{4} x + a c^{4}\right )}} - \frac {15 \, \log \left (a x + 1\right )}{128 \, a c^{4}} + \frac {15 \, \log \left (a x - 1\right )}{128 \, a c^{4}} \]
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Time = 0.28 (sec) , antiderivative size = 91, normalized size of antiderivative = 0.76 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=-\frac {15 \, \log \left ({\left | a x + 1 \right |}\right )}{128 \, a c^{4}} + \frac {15 \, \log \left ({\left | a x - 1 \right |}\right )}{128 \, a c^{4}} + \frac {15 \, a^{5} x^{5} + 30 \, a^{4} x^{4} - 10 \, a^{3} x^{3} - 50 \, a^{2} x^{2} - 17 \, a x + 16}{64 \, {\left (a x + 1\right )}^{4} {\left (a x - 1\right )}^{2} a c^{4}} \]
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Time = 4.10 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.02 \[ \int \frac {e^{-2 \coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx=-\frac {\frac {17\,x}{64}+\frac {25\,a\,x^2}{32}-\frac {1}{4\,a}+\frac {5\,a^2\,x^3}{32}-\frac {15\,a^3\,x^4}{32}-\frac {15\,a^4\,x^5}{64}}{a^6\,c^4\,x^6+2\,a^5\,c^4\,x^5-a^4\,c^4\,x^4-4\,a^3\,c^4\,x^3-a^2\,c^4\,x^2+2\,a\,c^4\,x+c^4}-\frac {15\,\mathrm {atanh}\left (a\,x\right )}{64\,a\,c^4} \]
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