Question Number 134093 by mohammad17 last updated on 27/Feb/21
$${where}\:{is}\:{the}\:{function}\:{derivable}\: \\ $$$$ \\ $$$${f}\left({z}\right)={zRez}+\overset{−} {{z}imz}+\overset{−} {{z}} \\ $$$$ \\ $$$${help}\:{me}\:{sir}\:{please} \\ $$
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Question Number 134093 by mohammad17 last updated on 27/Feb/21 | ||
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$${where}\:{is}\:{the}\:{function}\:{derivable}\: \\ $$$$ \\ $$$${f}\left({z}\right)={zRez}+\overset{−} {{z}imz}+\overset{−} {{z}} \\ $$$$ \\ $$$${help}\:{me}\:{sir}\:{please} \\ $$ | ||