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Sritchie09 (talk | contribs) m added missing paren |
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:<math> \left| \frac {\tanh(x+iy) }{x+iy} \right| </math>
;First-order derivative
:<math> \frac {(1- \tanh(z))^2}{z} - \frac {\tanh(z)}{z^2} </math>
;Real part of derivative
:<math> -\operatorname{Re} \left( -\frac {1- (\tanh(x+iy))^2}{x+iy} +\frac{\tanh(x+iy)}{(x+iy)^2} \right) </math>
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