Question: This is just for practice: MATH 147 Midterm 1 - Page 5 of 5 02/01/2013 1. (12 points) Show that there is no analytic function

This is just for practice:

MATH 147 Midterm 1 - Page 5 of 5 02/01/2013 1. (12 points) Show that there is no analytic function f(z) such that Re(f(z)) = ezz cosy, where z =r+iy. [Hint: A real part of an analytic function must be harmonic]

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