Question: Determine and b so that the given function is harmonic and find a harmonic conjugate. u = cos x cosh 2y

Determine α and b so that the given function is harmonic and find a harmonic conjugate.

u = cos αx cosh 2y

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By differentiation we obtain 2 u 2 4u 0 so 2 Hence we can take u cos 2x cosh 2y an... View full answer

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