Integrand size = 13, antiderivative size = 60 \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\frac {x^2}{3 \sqrt {\text {csch}(2 \log (c x))}}+\frac {2 \operatorname {EllipticF}\left (\csc ^{-1}(c x),-1\right )}{3 c^3 \sqrt {1-\frac {1}{c^4 x^4}} x \sqrt {\text {csch}(2 \log (c x))}} \]
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Time = 0.03 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.385, Rules used = {5671, 5669, 342, 283, 227} \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\frac {2 \operatorname {EllipticF}\left (\csc ^{-1}(c x),-1\right )}{3 c^3 x \sqrt {1-\frac {1}{c^4 x^4}} \sqrt {\text {csch}(2 \log (c x))}}+\frac {x^2}{3 \sqrt {\text {csch}(2 \log (c x))}} \]
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Rule 227
Rule 283
Rule 342
Rule 5669
Rule 5671
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {x}{\sqrt {\text {csch}(2 \log (x))}} \, dx,x,c x\right )}{c^2} \\ & = \frac {\text {Subst}\left (\int \sqrt {1-\frac {1}{x^4}} x^2 \, dx,x,c x\right )}{c^3 \sqrt {1-\frac {1}{c^4 x^4}} x \sqrt {\text {csch}(2 \log (c x))}} \\ & = -\frac {\text {Subst}\left (\int \frac {\sqrt {1-x^4}}{x^4} \, dx,x,\frac {1}{c x}\right )}{c^3 \sqrt {1-\frac {1}{c^4 x^4}} x \sqrt {\text {csch}(2 \log (c x))}} \\ & = \frac {x^2}{3 \sqrt {\text {csch}(2 \log (c x))}}+\frac {2 \text {Subst}\left (\int \frac {1}{\sqrt {1-x^4}} \, dx,x,\frac {1}{c x}\right )}{3 c^3 \sqrt {1-\frac {1}{c^4 x^4}} x \sqrt {\text {csch}(2 \log (c x))}} \\ & = \frac {x^2}{3 \sqrt {\text {csch}(2 \log (c x))}}+\frac {2 \operatorname {EllipticF}\left (\csc ^{-1}(c x),-1\right )}{3 c^3 \sqrt {1-\frac {1}{c^4 x^4}} x \sqrt {\text {csch}(2 \log (c x))}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 0.12 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.95 \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\frac {x^2 \operatorname {Hypergeometric2F1}\left (-\frac {1}{2},\frac {1}{4},\frac {5}{4},c^4 x^4\right )}{\sqrt {2-2 c^4 x^4} \sqrt {\frac {c^2 x^2}{-1+c^4 x^4}}} \]
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Time = 0.56 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.82
method | result | size |
risch | \(\frac {\sqrt {2}\, x^{2}}{6 \sqrt {\frac {c^{2} x^{2}}{c^{4} x^{4}-1}}}-\frac {\sqrt {c^{2} x^{2}+1}\, \sqrt {-c^{2} x^{2}+1}\, \operatorname {EllipticF}\left (x \sqrt {-c^{2}}, i\right ) \sqrt {2}\, x}{3 \sqrt {-c^{2}}\, \left (c^{4} x^{4}-1\right ) \sqrt {\frac {c^{2} x^{2}}{c^{4} x^{4}-1}}}\) | \(109\) |
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none
Time = 0.08 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.05 \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\frac {\sqrt {2} {\left (c^{6} x^{4} - c^{2}\right )} \sqrt {\frac {c^{2} x^{2}}{c^{4} x^{4} - 1}} + 2 \, \sqrt {2} \sqrt {c^{4}} F(\arcsin \left (\frac {1}{c x}\right )\,|\,-1)}{6 \, c^{4}} \]
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\[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\int \frac {x}{\sqrt {\operatorname {csch}{\left (2 \log {\left (c x \right )} \right )}}}\, dx \]
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\[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\int { \frac {x}{\sqrt {\operatorname {csch}\left (2 \, \log \left (c x\right )\right )}} \,d x } \]
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Exception generated. \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x}{\sqrt {\text {csch}(2 \log (c x))}} \, dx=\int \frac {x}{\sqrt {\frac {1}{\mathrm {sinh}\left (2\,\ln \left (c\,x\right )\right )}}} \,d x \]
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