Integrand size = 18, antiderivative size = 115 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {64 a^2 c^4 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3}{105 (c-a c x)^{3/2}}+\frac {16 a^2 c^3 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3}{35 \sqrt {c-a c x}}+\frac {2}{7} a^2 c^2 \left (1-\frac {1}{a^2 x^2}\right )^{3/2} x^3 \sqrt {c-a c x} \]
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Time = 0.14 (sec) , antiderivative size = 137, normalized size of antiderivative = 1.19, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {6311, 6316, 91, 79, 37} \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {142 \left (\frac {1}{a x}+1\right )^{3/2} (c-a c x)^{5/2}}{105 a^2 x \left (1-\frac {1}{a x}\right )^{5/2}}-\frac {36 \left (\frac {1}{a x}+1\right )^{3/2} (c-a c x)^{5/2}}{35 a \left (1-\frac {1}{a x}\right )^{5/2}}+\frac {2 x \left (\frac {1}{a x}+1\right )^{3/2} (c-a c x)^{5/2}}{7 \left (1-\frac {1}{a x}\right )^{5/2}} \]
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Rule 37
Rule 79
Rule 91
Rule 6311
Rule 6316
Rubi steps \begin{align*} \text {integral}& = \frac {(c-a c x)^{5/2} \int e^{\coth ^{-1}(a x)} \left (1-\frac {1}{a x}\right )^{5/2} x^{5/2} \, dx}{\left (1-\frac {1}{a x}\right )^{5/2} x^{5/2}} \\ & = -\frac {\left (\left (\frac {1}{x}\right )^{5/2} (c-a c x)^{5/2}\right ) \text {Subst}\left (\int \frac {\left (1-\frac {x}{a}\right )^2 \sqrt {1+\frac {x}{a}}}{x^{9/2}} \, dx,x,\frac {1}{x}\right )}{\left (1-\frac {1}{a x}\right )^{5/2}} \\ & = \frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x (c-a c x)^{5/2}}{7 \left (1-\frac {1}{a x}\right )^{5/2}}-\frac {\left (2 \left (\frac {1}{x}\right )^{5/2} (c-a c x)^{5/2}\right ) \text {Subst}\left (\int \frac {\left (-\frac {9}{a}+\frac {7 x}{2 a^2}\right ) \sqrt {1+\frac {x}{a}}}{x^{7/2}} \, dx,x,\frac {1}{x}\right )}{7 \left (1-\frac {1}{a x}\right )^{5/2}} \\ & = -\frac {36 \left (1+\frac {1}{a x}\right )^{3/2} (c-a c x)^{5/2}}{35 a \left (1-\frac {1}{a x}\right )^{5/2}}+\frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x (c-a c x)^{5/2}}{7 \left (1-\frac {1}{a x}\right )^{5/2}}-\frac {\left (71 \left (\frac {1}{x}\right )^{5/2} (c-a c x)^{5/2}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {x}{a}}}{x^{5/2}} \, dx,x,\frac {1}{x}\right )}{35 a^2 \left (1-\frac {1}{a x}\right )^{5/2}} \\ & = -\frac {36 \left (1+\frac {1}{a x}\right )^{3/2} (c-a c x)^{5/2}}{35 a \left (1-\frac {1}{a x}\right )^{5/2}}+\frac {142 \left (1+\frac {1}{a x}\right )^{3/2} (c-a c x)^{5/2}}{105 a^2 \left (1-\frac {1}{a x}\right )^{5/2} x}+\frac {2 \left (1+\frac {1}{a x}\right )^{3/2} x (c-a c x)^{5/2}}{7 \left (1-\frac {1}{a x}\right )^{5/2}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.61 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 c^2 \sqrt {1+\frac {1}{a x}} \sqrt {c-a c x} \left (71+17 a x-39 a^2 x^2+15 a^3 x^3\right )}{105 a \sqrt {1-\frac {1}{a x}}} \]
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Time = 0.41 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.46
method | result | size |
default | \(\frac {2 \sqrt {-c \left (a x -1\right )}\, c^{2} \left (a x +1\right ) \left (15 a^{2} x^{2}-54 a x +71\right )}{105 \sqrt {\frac {a x -1}{a x +1}}\, a}\) | \(53\) |
gosper | \(\frac {2 \left (a x +1\right ) \left (15 a^{2} x^{2}-54 a x +71\right ) \left (-a c x +c \right )^{\frac {5}{2}}}{105 a \left (a x -1\right )^{2} \sqrt {\frac {a x -1}{a x +1}}}\) | \(56\) |
risch | \(-\frac {2 c^{3} \left (a x -1\right ) \left (15 a^{3} x^{3}-39 a^{2} x^{2}+17 a x +71\right )}{105 \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {-c \left (a x -1\right )}\, a}\) | \(61\) |
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Time = 0.26 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.72 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 \, {\left (15 \, a^{4} c^{2} x^{4} - 24 \, a^{3} c^{2} x^{3} - 22 \, a^{2} c^{2} x^{2} + 88 \, a c^{2} x + 71 \, c^{2}\right )} \sqrt {-a c x + c} \sqrt {\frac {a x - 1}{a x + 1}}}{105 \, {\left (a^{2} x - a\right )}} \]
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Timed out. \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\text {Timed out} \]
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Time = 0.21 (sec) , antiderivative size = 67, normalized size of antiderivative = 0.58 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 \, {\left (15 \, a^{3} \sqrt {-c} c^{2} x^{3} - 39 \, a^{2} \sqrt {-c} c^{2} x^{2} + 17 \, a \sqrt {-c} c^{2} x + 71 \, \sqrt {-c} c^{2}\right )} \sqrt {a x + 1}}{105 \, a} \]
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Time = 0.29 (sec) , antiderivative size = 97, normalized size of antiderivative = 0.84 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 \, {\left (64 \, \sqrt {2} \sqrt {-c} c - \frac {15 \, {\left (a c x + c\right )}^{3} \sqrt {-a c x - c} - 84 \, {\left (a c x + c\right )}^{2} \sqrt {-a c x - c} c - 140 \, {\left (-a c x - c\right )}^{\frac {3}{2}} c^{2}}{c^{2}}\right )} c^{2}}{105 \, a {\left | c \right |} \mathrm {sgn}\left (a x + 1\right )} \]
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Time = 4.40 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.52 \[ \int e^{\coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2\,c^2\,\sqrt {c-a\,c\,x}\,{\left (a\,x+1\right )}^2\,\sqrt {\frac {a\,x-1}{a\,x+1}}\,\left (15\,a^2\,x^2-54\,a\,x+71\right )}{105\,a\,\left (a\,x-1\right )} \]
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