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Homework Statement
show that the function f(z)=zRe(z) is only differentiable at the origin.
im completely lost with is, its probably very easy.. but don't know how to start.
f(x+iy)=x+iy*Re(z)=x(x+iy)? idk
fredrick08 said:im completely lost with is, its probably very easy.. but don't know how to start.
f(x+iy)=x+iy*Re(z)=x(x+iy)?