A function does have a laurent series about the origin, with real coefficients. Show that Regards
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Originally Posted by hurz A function does have a laurent series about the origin, with real coefficients. Show that Regards So that means that f can be written as Now write out Use some properties of complex numbers and simplify
So, what did you try ? Write the Laurent series and use the conjugate to compute . You can put the conjugate into the sum because is continuous.
Done. Thanks!
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