Integrand size = 18, antiderivative size = 29 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 e^{\coth ^{-1}(a x)} (1+a x) \sqrt {c-a c x}}{3 a} \]
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Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {6309} \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 (a x+1) \sqrt {c-a c x} e^{\coth ^{-1}(a x)}}{3 a} \]
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Rule 6309
Rubi steps \begin{align*} \text {integral}& = \frac {2 e^{\coth ^{-1}(a x)} (1+a x) \sqrt {c-a c x}}{3 a} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.48 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x \sqrt {c-a c x}}{3 \sqrt {1-\frac {1}{a x}}} \]
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Time = 0.41 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.21
method | result | size |
gosper | \(\frac {2 \left (a x +1\right ) \sqrt {-a c x +c}}{3 \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(35\) |
default | \(\frac {2 \sqrt {-c \left (a x -1\right )}\, \left (a x +1\right )}{3 \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(36\) |
risch | \(-\frac {2 c \left (a x +1\right ) \left (a x -1\right )}{3 \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {-c \left (a x -1\right )}\, a}\) | \(42\) |
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Time = 0.25 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.72 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 \, {\left (a^{2} x^{2} + 2 \, a x + 1\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{3 \, {\left (a^{2} x - a\right )}} \]
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\[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\int \frac {\sqrt {- c \left (a x - 1\right )}}{\sqrt {\frac {a x - 1}{a x + 1}}}\, dx \]
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Time = 0.21 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.90 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 \, {\left (a \sqrt {-c} x + \sqrt {-c}\right )} \sqrt {a x + 1}}{3 \, a} \]
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Time = 0.27 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.69 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2 \, c^{2} {\left (\frac {2 \, \sqrt {2} \sqrt {-c}}{c} + \frac {{\left (-a c x - c\right )}^{\frac {3}{2}}}{c^{2}}\right )}}{3 \, a {\left | c \right |} \mathrm {sgn}\left (a x + 1\right )} \]
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Time = 4.39 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.48 \[ \int e^{\coth ^{-1}(a x)} \sqrt {c-a c x} \, dx=\frac {2\,\sqrt {c-a\,c\,x}\,{\left (a\,x+1\right )}^2\,\sqrt {\frac {a\,x-1}{a\,x+1}}}{3\,a\,\left (a\,x-1\right )} \]
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