Integrand size = 23, antiderivative size = 148 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}-\frac {149 a^3 \sqrt {c-a c x}}{64 x}+\frac {363}{64} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {c}}\right )-4 \sqrt {2} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right ) \]
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Time = 0.22 (sec) , antiderivative size = 148, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.391, Rules used = {6302, 6265, 21, 100, 156, 162, 65, 214, 212} \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {363}{64} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {c}}\right )-4 \sqrt {2} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right )-\frac {149 a^3 \sqrt {c-a c x}}{64 x}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}+\frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3} \]
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Rule 21
Rule 65
Rule 100
Rule 156
Rule 162
Rule 212
Rule 214
Rule 6265
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int \frac {e^{-2 \text {arctanh}(a x)} \sqrt {c-a c x}}{x^5} \, dx \\ & = -\int \frac {(1-a x) \sqrt {c-a c x}}{x^5 (1+a x)} \, dx \\ & = -\frac {\int \frac {(c-a c x)^{3/2}}{x^5 (1+a x)} \, dx}{c} \\ & = \frac {\sqrt {c-a c x}}{4 x^4}+\frac {\int \frac {\frac {17 a c^2}{2}-\frac {15}{2} a^2 c^2 x}{x^4 (1+a x) \sqrt {c-a c x}} \, dx}{4 c} \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}-\frac {\int \frac {\frac {107 a^2 c^3}{4}-\frac {85}{4} a^3 c^3 x}{x^3 (1+a x) \sqrt {c-a c x}} \, dx}{12 c^2} \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}+\frac {\int \frac {\frac {447 a^3 c^4}{8}-\frac {321}{8} a^4 c^4 x}{x^2 (1+a x) \sqrt {c-a c x}} \, dx}{24 c^3} \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}-\frac {149 a^3 \sqrt {c-a c x}}{64 x}-\frac {\int \frac {\frac {1089 a^4 c^5}{16}-\frac {447}{16} a^5 c^5 x}{x (1+a x) \sqrt {c-a c x}} \, dx}{24 c^4} \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}-\frac {149 a^3 \sqrt {c-a c x}}{64 x}-\frac {1}{128} \left (363 a^4 c\right ) \int \frac {1}{x \sqrt {c-a c x}} \, dx+\left (4 a^5 c\right ) \int \frac {1}{(1+a x) \sqrt {c-a c x}} \, dx \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}-\frac {149 a^3 \sqrt {c-a c x}}{64 x}+\frac {1}{64} \left (363 a^3\right ) \text {Subst}\left (\int \frac {1}{\frac {1}{a}-\frac {x^2}{a c}} \, dx,x,\sqrt {c-a c x}\right )-\left (8 a^4\right ) \text {Subst}\left (\int \frac {1}{2-\frac {x^2}{c}} \, dx,x,\sqrt {c-a c x}\right ) \\ & = \frac {\sqrt {c-a c x}}{4 x^4}-\frac {17 a \sqrt {c-a c x}}{24 x^3}+\frac {107 a^2 \sqrt {c-a c x}}{96 x^2}-\frac {149 a^3 \sqrt {c-a c x}}{64 x}+\frac {363}{64} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {c}}\right )-4 \sqrt {2} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right ) \\ \end{align*}
Time = 0.12 (sec) , antiderivative size = 109, normalized size of antiderivative = 0.74 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {\sqrt {c-a c x} \left (48-136 a x+214 a^2 x^2-447 a^3 x^3\right )}{192 x^4}+\frac {363}{64} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {c}}\right )-4 \sqrt {2} a^4 \sqrt {c} \text {arctanh}\left (\frac {\sqrt {c-a c x}}{\sqrt {2} \sqrt {c}}\right ) \]
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Time = 0.61 (sec) , antiderivative size = 97, normalized size of antiderivative = 0.66
method | result | size |
pseudoelliptic | \(-\frac {\frac {\sqrt {-c \left (a x -1\right )}\, \left (447 a^{3} x^{3}-214 a^{2} x^{2}+136 a x -48\right ) \sqrt {c}}{3}+a^{4} c \,x^{4} \left (256 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {-c \left (a x -1\right )}\, \sqrt {2}}{2 \sqrt {c}}\right )-363 \,\operatorname {arctanh}\left (\frac {\sqrt {-c \left (a x -1\right )}}{\sqrt {c}}\right )\right )}{64 \sqrt {c}\, x^{4}}\) | \(97\) |
risch | \(\frac {\left (447 a^{4} x^{4}-661 a^{3} x^{3}+350 a^{2} x^{2}-184 a x +48\right ) c}{192 x^{4} \sqrt {-c \left (a x -1\right )}}-\frac {a^{4} \left (-\frac {726 \,\operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}}{\sqrt {c}}\right )}{\sqrt {c}}+\frac {512 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}\, \sqrt {2}}{2 \sqrt {c}}\right )}{\sqrt {c}}\right ) c}{128}\) | \(100\) |
derivativedivides | \(2 c^{4} a^{4} \left (-\frac {2 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}\, \sqrt {2}}{2 \sqrt {c}}\right )}{c^{\frac {7}{2}}}+\frac {\frac {\frac {149 \left (-a c x +c \right )^{\frac {7}{2}}}{128}-\frac {1127 c \left (-a c x +c \right )^{\frac {5}{2}}}{384}+\frac {1049 c^{2} \left (-a c x +c \right )^{\frac {3}{2}}}{384}-\frac {107 c^{3} \sqrt {-a c x +c}}{128}}{a^{4} c^{4} x^{4}}+\frac {363 \,\operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}}{\sqrt {c}}\right )}{128 \sqrt {c}}}{c^{3}}\right )\) | \(122\) |
default | \(2 c^{4} a^{4} \left (-\frac {2 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}\, \sqrt {2}}{2 \sqrt {c}}\right )}{c^{\frac {7}{2}}}+\frac {\frac {\frac {149 \left (-a c x +c \right )^{\frac {7}{2}}}{128}-\frac {1127 c \left (-a c x +c \right )^{\frac {5}{2}}}{384}+\frac {1049 c^{2} \left (-a c x +c \right )^{\frac {3}{2}}}{384}-\frac {107 c^{3} \sqrt {-a c x +c}}{128}}{a^{4} c^{4} x^{4}}+\frac {363 \,\operatorname {arctanh}\left (\frac {\sqrt {-a c x +c}}{\sqrt {c}}\right )}{128 \sqrt {c}}}{c^{3}}\right )\) | \(122\) |
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Time = 0.27 (sec) , antiderivative size = 236, normalized size of antiderivative = 1.59 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\left [\frac {768 \, \sqrt {2} a^{4} \sqrt {c} x^{4} \log \left (\frac {a c x + 2 \, \sqrt {2} \sqrt {-a c x + c} \sqrt {c} - 3 \, c}{a x + 1}\right ) + 1089 \, a^{4} \sqrt {c} x^{4} \log \left (\frac {a c x - 2 \, \sqrt {-a c x + c} \sqrt {c} - 2 \, c}{x}\right ) - 2 \, {\left (447 \, a^{3} x^{3} - 214 \, a^{2} x^{2} + 136 \, a x - 48\right )} \sqrt {-a c x + c}}{384 \, x^{4}}, \frac {768 \, \sqrt {2} a^{4} \sqrt {-c} x^{4} \arctan \left (\frac {\sqrt {2} \sqrt {-a c x + c} \sqrt {-c}}{2 \, c}\right ) - 1089 \, a^{4} \sqrt {-c} x^{4} \arctan \left (\frac {\sqrt {-a c x + c} \sqrt {-c}}{c}\right ) - {\left (447 \, a^{3} x^{3} - 214 \, a^{2} x^{2} + 136 \, a x - 48\right )} \sqrt {-a c x + c}}{192 \, x^{4}}\right ] \]
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\[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\int \frac {\sqrt {- c \left (a x - 1\right )} \left (a x - 1\right )}{x^{5} \left (a x + 1\right )}\, dx \]
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Time = 0.30 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.43 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {1}{384} \, a^{4} c^{4} {\left (\frac {2 \, {\left (447 \, {\left (-a c x + c\right )}^{\frac {7}{2}} - 1127 \, {\left (-a c x + c\right )}^{\frac {5}{2}} c + 1049 \, {\left (-a c x + c\right )}^{\frac {3}{2}} c^{2} - 321 \, \sqrt {-a c x + c} c^{3}\right )}}{{\left (a c x - c\right )}^{4} c^{3} + 4 \, {\left (a c x - c\right )}^{3} c^{4} + 6 \, {\left (a c x - c\right )}^{2} c^{5} + 4 \, {\left (a c x - c\right )} c^{6} + c^{7}} + \frac {768 \, \sqrt {2} \log \left (-\frac {\sqrt {2} \sqrt {c} - \sqrt {-a c x + c}}{\sqrt {2} \sqrt {c} + \sqrt {-a c x + c}}\right )}{c^{\frac {7}{2}}} - \frac {1089 \, \log \left (\frac {\sqrt {-a c x + c} - \sqrt {c}}{\sqrt {-a c x + c} + \sqrt {c}}\right )}{c^{\frac {7}{2}}}\right )} \]
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Time = 0.28 (sec) , antiderivative size = 160, normalized size of antiderivative = 1.08 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {4 \, \sqrt {2} a^{4} c \arctan \left (\frac {\sqrt {2} \sqrt {-a c x + c}}{2 \, \sqrt {-c}}\right )}{\sqrt {-c}} - \frac {363 \, a^{4} c \arctan \left (\frac {\sqrt {-a c x + c}}{\sqrt {-c}}\right )}{64 \, \sqrt {-c}} - \frac {447 \, {\left (a c x - c\right )}^{3} \sqrt {-a c x + c} a^{4} c + 1127 \, {\left (a c x - c\right )}^{2} \sqrt {-a c x + c} a^{4} c^{2} - 1049 \, {\left (-a c x + c\right )}^{\frac {3}{2}} a^{4} c^{3} + 321 \, \sqrt {-a c x + c} a^{4} c^{4}}{192 \, a^{4} c^{4} x^{4}} \]
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Time = 4.06 (sec) , antiderivative size = 122, normalized size of antiderivative = 0.82 \[ \int \frac {e^{-2 \coth ^{-1}(a x)} \sqrt {c-a c x}}{x^5} \, dx=\frac {1049\,{\left (c-a\,c\,x\right )}^{3/2}}{192\,c\,x^4}-\frac {a^4\,\sqrt {c}\,\mathrm {atan}\left (\frac {\sqrt {c-a\,c\,x}\,1{}\mathrm {i}}{\sqrt {c}}\right )\,363{}\mathrm {i}}{64}-\frac {107\,\sqrt {c-a\,c\,x}}{64\,x^4}-\frac {1127\,{\left (c-a\,c\,x\right )}^{5/2}}{192\,c^2\,x^4}+\frac {149\,{\left (c-a\,c\,x\right )}^{7/2}}{64\,c^3\,x^4}+\sqrt {2}\,a^4\,\sqrt {c}\,\mathrm {atan}\left (\frac {\sqrt {2}\,\sqrt {c-a\,c\,x}\,1{}\mathrm {i}}{2\,\sqrt {c}}\right )\,4{}\mathrm {i} \]
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