Integrand size = 12, antiderivative size = 23 \[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=2 \sqrt {3} \text {arctanh}\left (\frac {\coth (x)}{\sqrt {1+i \text {csch}(x)}}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {3859, 209} \[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=2 \sqrt {3} \text {arctanh}\left (\frac {\coth (x)}{\sqrt {1+i \text {csch}(x)}}\right ) \]
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Rule 209
Rule 3859
Rubi steps \begin{align*} \text {integral}& = -\left (6 i \text {Subst}\left (\int \frac {1}{3+x^2} \, dx,x,\frac {3 i \coth (x)}{\sqrt {3+3 i \text {csch}(x)}}\right )\right ) \\ & = 2 \sqrt {3} \text {arctanh}\left (\frac {\coth (x)}{\sqrt {1+i \text {csch}(x)}}\right ) \\ \end{align*}
Time = 0.66 (sec) , antiderivative size = 46, normalized size of antiderivative = 2.00 \[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\frac {2 \sqrt {3} \arctan \left (\sqrt {-1+i \text {csch}(x)}\right ) \coth (x)}{\sqrt {-1+i \text {csch}(x)} \sqrt {1+i \text {csch}(x)}} \]
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\[\int \sqrt {3+3 i \operatorname {csch}\left (x \right )}d x\]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 212 vs. \(2 (17) = 34\).
Time = 0.27 (sec) , antiderivative size = 212, normalized size of antiderivative = 9.22 \[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\frac {1}{2} \, \sqrt {3} \log \left (2 \, {\left (\frac {\sqrt {3} {\left (\sqrt {3} e^{\left (2 \, x\right )} - \sqrt {3}\right )}}{\sqrt {e^{\left (2 \, x\right )} - 1}} + 3 \, e^{x} + 3 i\right )} e^{\left (-x\right )}\right ) - \frac {1}{2} \, \sqrt {3} \log \left (-2 \, {\left (\frac {\sqrt {3} {\left (\sqrt {3} e^{\left (2 \, x\right )} - \sqrt {3}\right )}}{\sqrt {e^{\left (2 \, x\right )} - 1}} - 3 \, e^{x} - 3 i\right )} e^{\left (-x\right )}\right ) + \frac {1}{2} \, \sqrt {3} \log \left (6 \, {\left (\sqrt {3} e^{\left (2 \, x\right )} - i \, \sqrt {3} e^{x} + \frac {\sqrt {3} {\left (e^{\left (3 \, x\right )} - 2 i \, e^{\left (2 \, x\right )} - e^{x} + 2 i\right )}}{\sqrt {e^{\left (2 \, x\right )} - 1}} - 2 \, \sqrt {3}\right )} e^{\left (-2 \, x\right )}\right ) - \frac {1}{2} \, \sqrt {3} \log \left (-6 \, {\left (\sqrt {3} e^{\left (2 \, x\right )} - i \, \sqrt {3} e^{x} - \frac {\sqrt {3} {\left (e^{\left (3 \, x\right )} - 2 i \, e^{\left (2 \, x\right )} - e^{x} + 2 i\right )}}{\sqrt {e^{\left (2 \, x\right )} - 1}} - 2 \, \sqrt {3}\right )} e^{\left (-2 \, x\right )}\right ) \]
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\[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\sqrt {3} \int \sqrt {i \operatorname {csch}{\left (x \right )} + 1}\, dx \]
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\[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\int { \sqrt {3 i \, \operatorname {csch}\left (x\right ) + 3} \,d x } \]
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\[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\int { \sqrt {3 i \, \operatorname {csch}\left (x\right ) + 3} \,d x } \]
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Timed out. \[ \int \sqrt {3+3 i \text {csch}(x)} \, dx=\int \sqrt {3+\frac {3{}\mathrm {i}}{\mathrm {sinh}\left (x\right )}} \,d x \]
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