Question #235086

7) Show that the function f(z)={(zÌ… )^2,Zâ‰ 0. ; 0,Z=0 satisfies Cauchy-Rieman equations at z=0.Does f'(0) exists?

Expert's answer

Therefore:

u(x, y) = 4y + 3xÂ²y-yÂ³ is harmonic and find its conjugate harmonic function v(x, y) does exist

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