Integrand size = 20, antiderivative size = 85 \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=\frac {8 e^{\coth ^{-1}(a x)}}{15 a c^3}-\frac {e^{\coth ^{-1}(a x)} (1-4 a x)}{15 a c^3 \left (1-a^2 x^2\right )^2}-\frac {4 e^{\coth ^{-1}(a x)} (1-2 a x)}{15 a c^3 \left (1-a^2 x^2\right )} \]
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Time = 0.08 (sec) , antiderivative size = 85, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {6320, 6318} \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=-\frac {(1-4 a x) e^{\coth ^{-1}(a x)}}{15 a c^3 \left (1-a^2 x^2\right )^2}-\frac {4 (1-2 a x) e^{\coth ^{-1}(a x)}}{15 a c^3 \left (1-a^2 x^2\right )}+\frac {8 e^{\coth ^{-1}(a x)}}{15 a c^3} \]
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Rule 6318
Rule 6320
Rubi steps \begin{align*} \text {integral}& = -\frac {e^{\coth ^{-1}(a x)} (1-4 a x)}{15 a c^3 \left (1-a^2 x^2\right )^2}+\frac {4 \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^2} \, dx}{5 c} \\ & = -\frac {e^{\coth ^{-1}(a x)} (1-4 a x)}{15 a c^3 \left (1-a^2 x^2\right )^2}-\frac {4 e^{\coth ^{-1}(a x)} (1-2 a x)}{15 a c^3 \left (1-a^2 x^2\right )}+\frac {8 \int \frac {e^{\coth ^{-1}(a x)}}{c-a^2 c x^2} \, dx}{15 c^2} \\ & = \frac {8 e^{\coth ^{-1}(a x)}}{15 a c^3}-\frac {e^{\coth ^{-1}(a x)} (1-4 a x)}{15 a c^3 \left (1-a^2 x^2\right )^2}-\frac {4 e^{\coth ^{-1}(a x)} (1-2 a x)}{15 a c^3 \left (1-a^2 x^2\right )} \\ \end{align*}
Time = 0.38 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.78 \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=\frac {\sqrt {1-\frac {1}{a^2 x^2}} x \left (3+12 a x-12 a^2 x^2-8 a^3 x^3+8 a^4 x^4\right )}{15 c^3 (-1+a x)^3 (1+a x)^2} \]
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Time = 0.48 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.76
method | result | size |
gosper | \(\frac {8 a^{4} x^{4}-8 a^{3} x^{3}-12 a^{2} x^{2}+12 a x +3}{15 \left (a^{2} x^{2}-1\right )^{2} c^{3} \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(65\) |
default | \(\frac {8 a^{4} x^{4}-8 a^{3} x^{3}-12 a^{2} x^{2}+12 a x +3}{15 \sqrt {\frac {a x -1}{a x +1}}\, c^{3} \left (a x -1\right )^{2} a \left (a x +1\right )^{2}}\) | \(68\) |
trager | \(\frac {\left (8 a^{4} x^{4}-8 a^{3} x^{3}-12 a^{2} x^{2}+12 a x +3\right ) \sqrt {-\frac {-a x +1}{a x +1}}}{15 a \,c^{3} \left (a x +1\right ) \left (a x -1\right )^{3}}\) | \(70\) |
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none
Time = 0.26 (sec) , antiderivative size = 86, normalized size of antiderivative = 1.01 \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=\frac {{\left (8 \, a^{4} x^{4} - 8 \, a^{3} x^{3} - 12 \, a^{2} x^{2} + 12 \, a x + 3\right )} \sqrt {\frac {a x - 1}{a x + 1}}}{15 \, {\left (a^{5} c^{3} x^{4} - 2 \, a^{4} c^{3} x^{3} + 2 \, a^{2} c^{3} x - a c^{3}\right )}} \]
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\[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=- \frac {\int \frac {1}{a^{6} x^{6} \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}} - 3 a^{4} x^{4} \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}} + 3 a^{2} x^{2} \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}} - \sqrt {\frac {a x}{a x + 1} - \frac {1}{a x + 1}}}\, dx}{c^{3}} \]
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none
Time = 0.20 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.16 \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=-\frac {1}{240} \, a {\left (\frac {5 \, {\left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}} - 12 \, \sqrt {\frac {a x - 1}{a x + 1}}\right )}}{a^{2} c^{3}} + \frac {\frac {20 \, {\left (a x - 1\right )}}{a x + 1} - \frac {90 \, {\left (a x - 1\right )}^{2}}{{\left (a x + 1\right )}^{2}} - 3}{a^{2} c^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {5}{2}}}\right )} \]
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\[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=\int { -\frac {1}{{\left (a^{2} c x^{2} - c\right )}^{3} \sqrt {\frac {a x - 1}{a x + 1}}} \,d x } \]
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Time = 4.30 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.71 \[ \int \frac {e^{\coth ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^3} \, dx=\frac {8\,a^4\,x^4-8\,a^3\,x^3-12\,a^2\,x^2+12\,a\,x+3}{15\,a\,c^3\,{\left (a\,x+1\right )}^4\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{5/2}} \]
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