a) Prove that the following functions are harmonic and find for each function its harmonic conjugate. i) 2e*cosy i) x² + 2x-y²

Q: (3) a) Prove that the following functions are harmonic and find for each function its harmonic…

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A: see below the answer no need of explanation

Q: Prove that u = x³ - 3xy² is a harmonic function. Find its conjugate han

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