Question: question shows below: 2. (10 points) Let u be a harmonic function in a domain D and let 'u be the harmonic conjugate of u

question shows below:

question shows below: 2. (10 points) Let u be a harmonic function

2. (10 points) Let u be a harmonic function in a domain D and let 'u be the harmonic conjugate of u in D. Show that 153 311,27) + M) is harmonic in D

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