In 1720, show that the given function is not analytic at any point but is differentiable
Chapter 17, Problem 17(choose chapter or problem)
In Problems 17–20, show that the given function is not analytic at any point but is differentiable along the indicated curve(s).
\(f(z)=x^{2}+y^{2}+2 x y i\); x-axis
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