Integrand size = 18, antiderivative size = 77 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=\frac {8 a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3}{15 (c-a c x)^{3/2}}+\frac {2 a^2 c^2 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3}{5 \sqrt {c-a c x}} \]
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Time = 0.11 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.16, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {6311, 6316, 79, 37} \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=\frac {2 x \left (\frac {1}{a x}+1\right )^{3/2} (c-a c x)^{3/2}}{5 \left (1-\frac {1}{a x}\right )^{3/2}}-\frac {14 \left (\frac {1}{a x}+1\right )^{3/2} (c-a c x)^{3/2}}{15 a \left (1-\frac {1}{a x}\right )^{3/2}} \]
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Rule 37
Rule 79
Rule 6311
Rule 6316
Rubi steps \begin{align*} \text {integral}& = \frac {(c-a c x)^{3/2} \int e^{\coth ^{-1}(a x)} \left (1-\frac {1}{a x}\right )^{3/2} x^{3/2} \, dx}{\left (1-\frac {1}{a x}\right )^{3/2} x^{3/2}} \\ & = -\frac {\left (\left (\frac {1}{x}\right )^{3/2} (c-a c x)^{3/2}\right ) \text {Subst}\left (\int \frac {\left (1-\frac {x}{a}\right ) \sqrt {1+\frac {x}{a}}}{x^{7/2}} \, dx,x,\frac {1}{x}\right )}{\left (1-\frac {1}{a x}\right )^{3/2}} \\ & = \frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x (c-a c x)^{3/2}}{5 \left (1-\frac {1}{a x}\right )^{3/2}}+\frac {\left (7 \left (\frac {1}{x}\right )^{3/2} (c-a c x)^{3/2}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {x}{a}}}{x^{5/2}} \, dx,x,\frac {1}{x}\right )}{5 a \left (1-\frac {1}{a x}\right )^{3/2}} \\ & = -\frac {14 \left (1+\frac {1}{a x}\right )^{3/2} (c-a c x)^{3/2}}{15 a \left (1-\frac {1}{a x}\right )^{3/2}}+\frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x (c-a c x)^{3/2}}{5 \left (1-\frac {1}{a x}\right )^{3/2}} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.74 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=-\frac {2 c \sqrt {1+\frac {1}{a x}} (1+a x) (-7+3 a x) \sqrt {c-a c x}}{15 a \sqrt {1-\frac {1}{a x}}} \]
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Time = 0.42 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.56
method | result | size |
default | \(-\frac {2 \sqrt {-c \left (a x -1\right )}\, c \left (a x +1\right ) \left (3 a x -7\right )}{15 \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(43\) |
gosper | \(\frac {2 \left (a x +1\right ) \left (3 a x -7\right ) \left (-a c x +c \right )^{\frac {3}{2}}}{15 a \left (a x -1\right ) \sqrt {\frac {a x -1}{a x +1}}}\) | \(48\) |
risch | \(\frac {2 c^{2} \left (a x -1\right ) \left (3 a^{2} x^{2}-4 a x -7\right )}{15 \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {-c \left (a x -1\right )}\, a}\) | \(53\) |
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Time = 0.25 (sec) , antiderivative size = 64, normalized size of antiderivative = 0.83 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=-\frac {2 \, {\left (3 \, a^{3} c x^{3} - a^{2} c x^{2} - 11 \, a c x - 7 \, c\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{15 \, {\left (a^{2} x - a\right )}} \]
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\[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=\int \frac {\left (- c \left (a x - 1\right )\right )^{\frac {3}{2}}}{\sqrt {\frac {a x - 1}{a x + 1}}}\, dx \]
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Time = 0.21 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.58 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=-\frac {2 \, {\left (3 \, a^{2} \sqrt {-c} c x^{2} - 4 \, a \sqrt {-c} c x - 7 \, \sqrt {-c} c\right )} \sqrt {a x + 1}}{15 \, a} \]
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Exception generated. \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=\text {Exception raised: TypeError} \]
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Time = 4.32 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.65 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{3/2} \, dx=-\frac {2\,c\,\sqrt {c-a\,c\,x}\,{\left (a\,x+1\right )}^2\,\left (3\,a\,x-7\right )\,\sqrt {\frac {a\,x-1}{a\,x+1}}}{15\,a\,\left (a\,x-1\right )} \]
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