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where-is-function-f-z-zRez-z-lnz-z-derivable-then-find-the-dervaitive-




Question Number 132967 by mohammad17 last updated on 17/Feb/21
where is function f(z)=zRez+z^− lnz+z^−   derivable ,then find the dervaitive ?
$${where}\:{is}\:{function}\:{f}\left({z}\right)={zRez}+\overset{−} {{z}lnz}+\overset{−} {{z}} \\ $$$${derivable}\:,{then}\:{find}\:{the}\:{dervaitive}\:? \\ $$
Commented by mohammad17 last updated on 18/Feb/21
????
$$????\:\: \\ $$

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