Integrand size = 22, antiderivative size = 40 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=\frac {c^4}{3 a^4 x^3}-\frac {c^4}{a^3 x^2}+c^4 x-\frac {2 c^4 \log (x)}{a} \]
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Time = 0.11 (sec) , antiderivative size = 40, 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, 6266, 6264, 76} \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=\frac {c^4}{3 a^4 x^3}-\frac {c^4}{a^3 x^2}-\frac {2 c^4 \log (x)}{a}+c^4 x \]
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Rule 76
Rule 6264
Rule 6266
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int e^{2 \text {arctanh}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx \\ & = -\frac {c^4 \int \frac {e^{2 \text {arctanh}(a x)} (1-a x)^4}{x^4} \, dx}{a^4} \\ & = -\frac {c^4 \int \frac {(1-a x)^3 (1+a x)}{x^4} \, dx}{a^4} \\ & = -\frac {c^4 \int \left (-a^4+\frac {1}{x^4}-\frac {2 a}{x^3}+\frac {2 a^3}{x}\right ) \, dx}{a^4} \\ & = \frac {c^4}{3 a^4 x^3}-\frac {c^4}{a^3 x^2}+c^4 x-\frac {2 c^4 \log (x)}{a} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.02 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=-\frac {c^4 \left (\frac {4 a^3}{3}-\frac {1}{3 x^3}+\frac {a}{x^2}-a^4 x+2 a^3 \log (x)\right )}{a^4} \]
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Time = 0.62 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.80
method | result | size |
default | \(\frac {c^{4} \left (a^{4} x -2 a^{3} \ln \left (x \right )+\frac {1}{3 x^{3}}-\frac {a}{x^{2}}\right )}{a^{4}}\) | \(32\) |
risch | \(c^{4} x +\frac {-a \,c^{4} x +\frac {1}{3} c^{4}}{a^{4} x^{3}}-\frac {2 c^{4} \ln \left (x \right )}{a}\) | \(37\) |
norman | \(\frac {a^{3} c^{4} x^{4}+\frac {c^{4}}{3 a}-c^{4} x}{a^{3} x^{3}}-\frac {2 c^{4} \ln \left (x \right )}{a}\) | \(44\) |
parallelrisch | \(-\frac {-3 a^{4} c^{4} x^{4}+6 c^{4} \ln \left (x \right ) a^{3} x^{3}+3 a \,c^{4} x -c^{4}}{3 a^{4} x^{3}}\) | \(46\) |
meijerg | \(-\frac {c^{4} \left (-a x -\ln \left (-a x +1\right )\right )}{a}-\frac {3 c^{4} \ln \left (-a x +1\right )}{a}-\frac {2 c^{4} \left (-\ln \left (-a x +1\right )+\ln \left (x \right )+\ln \left (-a \right )\right )}{a}+\frac {2 c^{4} \left (\ln \left (-a x +1\right )-\ln \left (x \right )-\ln \left (-a \right )+\frac {1}{a x}\right )}{a}+\frac {3 c^{4} \left (-\ln \left (-a x +1\right )+\ln \left (x \right )+\ln \left (-a \right )-\frac {1}{2 a^{2} x^{2}}-\frac {1}{a x}\right )}{a}+\frac {c^{4} \left (\ln \left (-a x +1\right )-\ln \left (x \right )-\ln \left (-a \right )+\frac {1}{3 x^{3} a^{3}}+\frac {1}{2 a^{2} x^{2}}+\frac {1}{a x}\right )}{a}\) | \(184\) |
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Time = 0.24 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.08 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=\frac {3 \, a^{4} c^{4} x^{4} - 6 \, a^{3} c^{4} x^{3} \log \left (x\right ) - 3 \, a c^{4} x + c^{4}}{3 \, a^{4} x^{3}} \]
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Time = 0.13 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.98 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=\frac {a^{4} c^{4} x - 2 a^{3} c^{4} \log {\left (x \right )} + \frac {- 3 a c^{4} x + c^{4}}{3 x^{3}}}{a^{4}} \]
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Time = 0.18 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.92 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=c^{4} x - \frac {2 \, c^{4} \log \left (x\right )}{a} - \frac {3 \, a c^{4} x - c^{4}}{3 \, a^{4} x^{3}} \]
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Time = 0.26 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.95 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=c^{4} x - \frac {2 \, c^{4} \log \left ({\left | x \right |}\right )}{a} - \frac {3 \, a c^{4} x - c^{4}}{3 \, a^{4} x^{3}} \]
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Time = 0.05 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.88 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-\frac {c}{a x}\right )^4 \, dx=-\frac {c^4\,\left (3\,a\,x-3\,a^4\,x^4+6\,a^3\,x^3\,\ln \left (x\right )-1\right )}{3\,a^4\,x^3} \]
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