Integrand size = 20, antiderivative size = 177 \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=-\frac {6 \sqrt {1-\frac {1}{a x}} \sqrt {1+\frac {1}{a x}}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}+\frac {2 a \sqrt {1-\frac {1}{a x}} \left (1+\frac {1}{a x}\right )^{3/2} x}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {3 \sqrt {2} \sqrt {1-\frac {1}{a x}} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {a} \sqrt {1+\frac {1}{a x}}}\right )}{\sqrt {a} \sqrt {\frac {1}{x}} \sqrt {c-a c x}} \]
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Time = 0.13 (sec) , antiderivative size = 177, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {6311, 6316, 96, 95, 212} \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=-\frac {3 \sqrt {2} \sqrt {1-\frac {1}{a x}} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {a} \sqrt {\frac {1}{a x}+1}}\right )}{\sqrt {a} \sqrt {\frac {1}{x}} \sqrt {c-a c x}}+\frac {2 a x \sqrt {1-\frac {1}{a x}} \left (\frac {1}{a x}+1\right )^{3/2}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {6 \sqrt {1-\frac {1}{a x}} \sqrt {\frac {1}{a x}+1}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}} \]
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Rule 95
Rule 96
Rule 212
Rule 6311
Rule 6316
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt {1-\frac {1}{a x}} \sqrt {x}\right ) \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {1-\frac {1}{a x}} \sqrt {x}} \, dx}{\sqrt {c-a c x}} \\ & = -\frac {\sqrt {1-\frac {1}{a x}} \text {Subst}\left (\int \frac {\left (1+\frac {x}{a}\right )^{3/2}}{x^{3/2} \left (1-\frac {x}{a}\right )^2} \, dx,x,\frac {1}{x}\right )}{\sqrt {\frac {1}{x}} \sqrt {c-a c x}} \\ & = \frac {2 a \sqrt {1-\frac {1}{a x}} \left (1+\frac {1}{a x}\right )^{3/2} x}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {\left (6 \sqrt {1-\frac {1}{a x}}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {x}{a}}}{\sqrt {x} \left (1-\frac {x}{a}\right )^2} \, dx,x,\frac {1}{x}\right )}{a \sqrt {\frac {1}{x}} \sqrt {c-a c x}} \\ & = -\frac {6 \sqrt {1-\frac {1}{a x}} \sqrt {1+\frac {1}{a x}}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}+\frac {2 a \sqrt {1-\frac {1}{a x}} \left (1+\frac {1}{a x}\right )^{3/2} x}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {\left (3 \sqrt {1-\frac {1}{a x}}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {x} \left (1-\frac {x}{a}\right ) \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{a \sqrt {\frac {1}{x}} \sqrt {c-a c x}} \\ & = -\frac {6 \sqrt {1-\frac {1}{a x}} \sqrt {1+\frac {1}{a x}}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}+\frac {2 a \sqrt {1-\frac {1}{a x}} \left (1+\frac {1}{a x}\right )^{3/2} x}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {\left (6 \sqrt {1-\frac {1}{a x}}\right ) \text {Subst}\left (\int \frac {1}{1-\frac {2 x^2}{a}} \, dx,x,\frac {\sqrt {\frac {1}{x}}}{\sqrt {1+\frac {1}{a x}}}\right )}{a \sqrt {\frac {1}{x}} \sqrt {c-a c x}} \\ & = -\frac {6 \sqrt {1-\frac {1}{a x}} \sqrt {1+\frac {1}{a x}}}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}+\frac {2 a \sqrt {1-\frac {1}{a x}} \left (1+\frac {1}{a x}\right )^{3/2} x}{\left (a-\frac {1}{x}\right ) \sqrt {c-a c x}}-\frac {3 \sqrt {2} \sqrt {1-\frac {1}{a x}} \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {a} \sqrt {1+\frac {1}{a x}}}\right )}{\sqrt {a} \sqrt {\frac {1}{x}} \sqrt {c-a c x}} \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 116, normalized size of antiderivative = 0.66 \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=\frac {\sqrt {1-\frac {1}{a x}} x \left (2 \sqrt {a} \sqrt {1+\frac {1}{a x}} (-2+a x)-3 \sqrt {2} \sqrt {\frac {1}{x}} (-1+a x) \text {arctanh}\left (\frac {\sqrt {2} \sqrt {\frac {1}{x}}}{\sqrt {a} \sqrt {1+\frac {1}{a x}}}\right )\right )}{\sqrt {a} (-1+a x) \sqrt {c-a c x}} \]
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Time = 0.45 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.77
method | result | size |
default | \(-\frac {\sqrt {-c \left (a x -1\right )}\, \left (-3 \sqrt {2}\, \arctan \left (\frac {\sqrt {-c \left (a x +1\right )}\, \sqrt {2}}{2 \sqrt {c}}\right ) a c x +2 a x \sqrt {c}\, \sqrt {-c \left (a x +1\right )}+3 \sqrt {2}\, \arctan \left (\frac {\sqrt {-c \left (a x +1\right )}\, \sqrt {2}}{2 \sqrt {c}}\right ) c -4 \sqrt {-c \left (a x +1\right )}\, \sqrt {c}\right )}{\left (\frac {a x -1}{a x +1}\right )^{\frac {3}{2}} \left (a x +1\right ) c^{\frac {3}{2}} \sqrt {-c \left (a x +1\right )}\, a}\) | \(136\) |
risch | \(\frac {2 a x -2}{a \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {-c \left (a x -1\right )}}+\frac {\left (-\frac {2 \sqrt {-a c x -c}}{a \left (-a c x +c \right )}+\frac {3 \sqrt {2}\, \arctan \left (\frac {\sqrt {-a c x -c}\, \sqrt {2}}{2 \sqrt {c}}\right )}{a \sqrt {c}}\right ) \sqrt {-c \left (a x +1\right )}\, \left (a x -1\right )}{\left (a x +1\right ) \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {-c \left (a x -1\right )}}\) | \(142\) |
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Time = 0.27 (sec) , antiderivative size = 288, normalized size of antiderivative = 1.63 \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=\left [\frac {3 \, \sqrt {2} {\left (a^{2} c x^{2} - 2 \, a c x + c\right )} \sqrt {-\frac {1}{c}} \log \left (-\frac {a^{2} x^{2} - 2 \, \sqrt {2} \sqrt {-a c x + c} {\left (a x + 1\right )} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {-\frac {1}{c}} + 2 \, a x - 3}{a^{2} x^{2} - 2 \, a x + 1}\right ) - 4 \, {\left (a^{2} x^{2} - a x - 2\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{2 \, {\left (a^{3} c x^{2} - 2 \, a^{2} c x + a c\right )}}, -\frac {2 \, {\left (a^{2} x^{2} - a x - 2\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}} - \frac {3 \, \sqrt {2} {\left (a^{2} c x^{2} - 2 \, a c x + c\right )} \arctan \left (\frac {\sqrt {2} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{{\left (a x - 1\right )} \sqrt {c}}\right )}{\sqrt {c}}}{a^{3} c x^{2} - 2 \, a^{2} c x + a c}\right ] \]
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\[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=\int \frac {1}{\left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}} \sqrt {- c \left (a x - 1\right )}}\, dx \]
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\[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=\int { \frac {1}{\sqrt {-a c x + c} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {3}{2}}} \,d x } \]
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Time = 0.30 (sec) , antiderivative size = 75, normalized size of antiderivative = 0.42 \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=-\frac {3 \, \sqrt {2} \sqrt {c} \arctan \left (\frac {\sqrt {2} \sqrt {-a c x - c}}{2 \, \sqrt {c}}\right ) - 2 \, \sqrt {-a c x - c} + \frac {2 \, \sqrt {-a c x - c} c}{a c x - c}}{a {\left | c \right |}} \]
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Timed out. \[ \int \frac {e^{3 \coth ^{-1}(a x)}}{\sqrt {c-a c x}} \, dx=\int \frac {1}{\sqrt {c-a\,c\,x}\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{3/2}} \,d x \]
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