Integrand size = 20, antiderivative size = 15 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {c (1+a x)^3}{3 a} \]
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Time = 0.03 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {6302, 6275, 32} \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {c (a x+1)^3}{3 a} \]
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Rule 32
Rule 6275
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int e^{2 \text {arctanh}(a x)} \left (c-a^2 c x^2\right ) \, dx \\ & = -\left (c \int (1+a x)^2 \, dx\right ) \\ & = -\frac {c (1+a x)^3}{3 a} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.33 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-c \left (x+a x^2+\frac {a^2 x^3}{3}\right ) \]
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Time = 0.49 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93
method | result | size |
default | \(-\frac {c \left (a x +1\right )^{3}}{3 a}\) | \(14\) |
gosper | \(-\frac {c x \left (a^{2} x^{2}+3 a x +3\right )}{3}\) | \(18\) |
norman | \(-c x -a c \,x^{2}-\frac {1}{3} a^{2} c \,x^{3}\) | \(22\) |
parallelrisch | \(-c x -a c \,x^{2}-\frac {1}{3} a^{2} c \,x^{3}\) | \(22\) |
risch | \(-\frac {a^{2} c \,x^{3}}{3}-a c \,x^{2}-c x -\frac {c}{3 a}\) | \(28\) |
meijerg | \(\frac {c \left (-\frac {a x \left (4 a^{2} x^{2}+6 a x +12\right )}{12}-\ln \left (-a x +1\right )\right )}{a}-\frac {c \left (-a x -\ln \left (-a x +1\right )\right )}{a}-\frac {c \left (\frac {a x \left (3 a x +6\right )}{6}+\ln \left (-a x +1\right )\right )}{a}+\frac {c \ln \left (-a x +1\right )}{a}\) | \(91\) |
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Time = 0.24 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.40 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {1}{3} \, a^{2} c x^{3} - a c x^{2} - c x \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.33 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=- \frac {a^{2} c x^{3}}{3} - a c x^{2} - c x \]
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Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.40 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {1}{3} \, a^{2} c x^{3} - a c x^{2} - c x \]
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Time = 0.27 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.40 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {1}{3} \, a^{2} c x^{3} - a c x^{2} - c x \]
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Time = 0.04 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.13 \[ \int e^{2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right ) \, dx=-\frac {c\,x\,\left (a^2\,x^2+3\,a\,x+3\right )}{3} \]
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