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ak123456
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Homework Statement
Using Cauchy-Riemann equations show that f(z)=Re(z)Im(z)+i Im(z) is differentiable at only one point in C and find this point
Homework Equations
The Attempt at a Solution
no idea about this question , can i set Re(z)=u Im(z)=v
then U=uv V=v
and the point is o ?