Integrand size = 24, antiderivative size = 277 \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=-\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {5 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\sqrt {1+\frac {1}{a x}}\right )}{a \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {115 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\frac {\sqrt {1+\frac {1}{a x}}}{\sqrt {2}}\right )}{16 \sqrt {2} a \left (c-\frac {c}{a x}\right )^{7/2}} \]
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Time = 0.14 (sec) , antiderivative size = 277, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.417, Rules used = {6317, 6314, 105, 21, 101, 156, 162, 65, 214, 212} \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\frac {a^2 x \sqrt {\frac {1}{a x}+1} \left (1-\frac {1}{a x}\right )^{7/2}}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {5 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\sqrt {\frac {1}{a x}+1}\right )}{a \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {115 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\frac {\sqrt {\frac {1}{a x}+1}}{\sqrt {2}}\right )}{16 \sqrt {2} a \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \sqrt {\frac {1}{a x}+1} \left (1-\frac {1}{a x}\right )^{7/2}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {5 a \sqrt {\frac {1}{a x}+1} \left (1-\frac {1}{a x}\right )^{7/2}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}} \]
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Rule 21
Rule 65
Rule 101
Rule 105
Rule 156
Rule 162
Rule 212
Rule 214
Rule 6314
Rule 6317
Rubi steps \begin{align*} \text {integral}& = \frac {\left (1-\frac {1}{a x}\right )^{7/2} \int \frac {e^{-\coth ^{-1}(a x)}}{\left (1-\frac {1}{a x}\right )^{7/2}} \, dx}{\left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {\left (1-\frac {1}{a x}\right )^{7/2} \text {Subst}\left (\int \frac {1}{x^2 \left (1-\frac {x}{a}\right )^3 \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{\left (c-\frac {c}{a x}\right )^{7/2}} \\ & = \frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {\left (1-\frac {1}{a x}\right )^{7/2} \text {Subst}\left (\int \frac {-\frac {5}{2 a}-\frac {5 x}{2 a^2}}{x \left (1-\frac {x}{a}\right )^3 \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{\left (c-\frac {c}{a x}\right )^{7/2}} \\ & = \frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (5 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {x}{a}}}{x \left (1-\frac {x}{a}\right )^3} \, dx,x,\frac {1}{x}\right )}{2 a \left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {\left (5 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {-2-\frac {3 x}{2 a}}{x \left (1-\frac {x}{a}\right )^2 \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{4 a \left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (5 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {\frac {4}{a}+\frac {7 x}{4 a^2}}{x \left (1-\frac {x}{a}\right ) \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{8 \left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (115 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {1}{\left (1-\frac {x}{a}\right ) \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{32 a^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (5 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {1}{x \sqrt {1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{2 a \left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (5 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {1}{-a+a x^2} \, dx,x,\sqrt {1+\frac {1}{a x}}\right )}{\left (c-\frac {c}{a x}\right )^{7/2}}-\frac {\left (115 \left (1-\frac {1}{a x}\right )^{7/2}\right ) \text {Subst}\left (\int \frac {1}{2-x^2} \, dx,x,\sqrt {1+\frac {1}{a x}}\right )}{16 a \left (c-\frac {c}{a x}\right )^{7/2}} \\ & = -\frac {5 a \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{4 \left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {35 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}}}{16 \left (a-\frac {1}{x}\right ) \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {a^2 \left (1-\frac {1}{a x}\right )^{7/2} \sqrt {1+\frac {1}{a x}} x}{\left (a-\frac {1}{x}\right )^2 \left (c-\frac {c}{a x}\right )^{7/2}}+\frac {5 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\sqrt {1+\frac {1}{a x}}\right )}{a \left (c-\frac {c}{a x}\right )^{7/2}}-\frac {115 \left (1-\frac {1}{a x}\right )^{7/2} \text {arctanh}\left (\frac {\sqrt {1+\frac {1}{a x}}}{\sqrt {2}}\right )}{16 \sqrt {2} a \left (c-\frac {c}{a x}\right )^{7/2}} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 135, normalized size of antiderivative = 0.49 \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\frac {\sqrt {1-\frac {1}{a x}} \left (2 a \sqrt {1+\frac {1}{a x}} x \left (35-55 a x+16 a^2 x^2\right )+160 (-1+a x)^2 \text {arctanh}\left (\sqrt {1+\frac {1}{a x}}\right )-115 \sqrt {2} (-1+a x)^2 \text {arctanh}\left (\frac {\sqrt {1+\frac {1}{a x}}}{\sqrt {2}}\right )\right )}{32 a c^3 \sqrt {c-\frac {c}{a x}} (-1+a x)^2} \]
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Time = 0.33 (sec) , antiderivative size = 316, normalized size of antiderivative = 1.14
method | result | size |
risch | \(\frac {\left (a x +1\right ) \sqrt {\frac {a x -1}{a x +1}}}{a \,c^{3} \sqrt {\frac {c \left (a x -1\right )}{a x}}}+\frac {\left (\frac {5 \ln \left (\frac {\frac {1}{2} a c +a^{2} c x}{\sqrt {a^{2} c}}+\sqrt {a^{2} c \,x^{2}+a c x}\right )}{2 a^{4} \sqrt {a^{2} c}}-\frac {\sqrt {a^{2} c \left (x -\frac {1}{a}\right )^{2}+3 \left (x -\frac {1}{a}\right ) a c +2 c}}{4 a^{7} c \left (x -\frac {1}{a}\right )^{2}}-\frac {23 \sqrt {a^{2} c \left (x -\frac {1}{a}\right )^{2}+3 \left (x -\frac {1}{a}\right ) a c +2 c}}{16 a^{6} c \left (x -\frac {1}{a}\right )}-\frac {115 \sqrt {2}\, \ln \left (\frac {4 c +3 \left (x -\frac {1}{a}\right ) a c +2 \sqrt {2}\, \sqrt {c}\, \sqrt {a^{2} c \left (x -\frac {1}{a}\right )^{2}+3 \left (x -\frac {1}{a}\right ) a c +2 c}}{x -\frac {1}{a}}\right )}{64 a^{5} \sqrt {c}}\right ) a^{3} \sqrt {\frac {a x -1}{a x +1}}\, \sqrt {\left (a x +1\right ) a c x}}{c^{3} x \sqrt {\frac {c \left (a x -1\right )}{a x}}}\) | \(316\) |
default | \(\frac {\sqrt {\frac {a x -1}{a x +1}}\, \left (a x +1\right ) \sqrt {\frac {c \left (a x -1\right )}{a x}}\, x \left (64 \sqrt {\left (a x +1\right ) x}\, a^{\frac {7}{2}} \sqrt {\frac {1}{a}}\, x^{2}-115 a^{\frac {5}{2}} \sqrt {2}\, \ln \left (\frac {2 \sqrt {2}\, \sqrt {\frac {1}{a}}\, \sqrt {\left (a x +1\right ) x}\, a +3 a x +1}{a x -1}\right ) x^{2}-220 \sqrt {\left (a x +1\right ) x}\, a^{\frac {5}{2}} \sqrt {\frac {1}{a}}\, x +160 \ln \left (\frac {2 \sqrt {\left (a x +1\right ) x}\, \sqrt {a}+2 a x +1}{2 \sqrt {a}}\right ) a^{3} \sqrt {\frac {1}{a}}\, x^{2}+230 a^{\frac {3}{2}} \sqrt {2}\, \ln \left (\frac {2 \sqrt {2}\, \sqrt {\frac {1}{a}}\, \sqrt {\left (a x +1\right ) x}\, a +3 a x +1}{a x -1}\right ) x +140 \sqrt {\left (a x +1\right ) x}\, a^{\frac {3}{2}} \sqrt {\frac {1}{a}}-320 \ln \left (\frac {2 \sqrt {\left (a x +1\right ) x}\, \sqrt {a}+2 a x +1}{2 \sqrt {a}}\right ) a^{2} \sqrt {\frac {1}{a}}\, x +160 \ln \left (\frac {2 \sqrt {\left (a x +1\right ) x}\, \sqrt {a}+2 a x +1}{2 \sqrt {a}}\right ) a \sqrt {\frac {1}{a}}-115 \sqrt {2}\, \ln \left (\frac {2 \sqrt {2}\, \sqrt {\frac {1}{a}}\, \sqrt {\left (a x +1\right ) x}\, a +3 a x +1}{a x -1}\right ) \sqrt {a}\right )}{64 a^{\frac {3}{2}} c^{4} \left (a x -1\right )^{3} \sqrt {\left (a x +1\right ) x}\, \sqrt {\frac {1}{a}}}\) | \(371\) |
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Time = 0.33 (sec) , antiderivative size = 668, normalized size of antiderivative = 2.41 \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\left [\frac {115 \, \sqrt {2} {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \sqrt {c} \log \left (-\frac {17 \, a^{3} c x^{3} - 3 \, a^{2} c x^{2} - 13 \, a c x - 4 \, \sqrt {2} {\left (3 \, a^{3} x^{3} + 4 \, a^{2} x^{2} + a x\right )} \sqrt {c} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}} - c}{a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1}\right ) + 160 \, {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \sqrt {c} \log \left (-\frac {8 \, a^{3} c x^{3} - 7 \, a c x + 4 \, {\left (2 \, a^{3} x^{3} + 3 \, a^{2} x^{2} + a x\right )} \sqrt {c} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}} - c}{a x - 1}\right ) + 8 \, {\left (16 \, a^{4} x^{4} - 39 \, a^{3} x^{3} - 20 \, a^{2} x^{2} + 35 \, a x\right )} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}}}{128 \, {\left (a^{4} c^{4} x^{3} - 3 \, a^{3} c^{4} x^{2} + 3 \, a^{2} c^{4} x - a c^{4}\right )}}, \frac {115 \, \sqrt {2} {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \sqrt {-c} \arctan \left (\frac {2 \, \sqrt {2} {\left (a^{2} x^{2} + a x\right )} \sqrt {-c} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}}}{3 \, a^{2} c x^{2} - 2 \, a c x - c}\right ) - 160 \, {\left (a^{3} x^{3} - 3 \, a^{2} x^{2} + 3 \, a x - 1\right )} \sqrt {-c} \arctan \left (\frac {2 \, {\left (a^{2} x^{2} + a x\right )} \sqrt {-c} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}}}{2 \, a^{2} c x^{2} - a c x - c}\right ) + 4 \, {\left (16 \, a^{4} x^{4} - 39 \, a^{3} x^{3} - 20 \, a^{2} x^{2} + 35 \, a x\right )} \sqrt {\frac {a x - 1}{a x + 1}} \sqrt {\frac {a c x - c}{a x}}}{64 \, {\left (a^{4} c^{4} x^{3} - 3 \, a^{3} c^{4} x^{2} + 3 \, a^{2} c^{4} x - a c^{4}\right )}}\right ] \]
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Timed out. \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\text {Timed out} \]
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\[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\int { \frac {\sqrt {\frac {a x - 1}{a x + 1}}}{{\left (c - \frac {c}{a x}\right )}^{\frac {7}{2}}} \,d x } \]
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\[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\int { \frac {\sqrt {\frac {a x - 1}{a x + 1}}}{{\left (c - \frac {c}{a x}\right )}^{\frac {7}{2}}} \,d x } \]
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Timed out. \[ \int \frac {e^{-\coth ^{-1}(a x)}}{\left (c-\frac {c}{a x}\right )^{7/2}} \, dx=\int \frac {\sqrt {\frac {a\,x-1}{a\,x+1}}}{{\left (c-\frac {c}{a\,x}\right )}^{7/2}} \,d x \]
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