Question: Q 1 Determine whether the functions u = x 2 - y 2 + 2 x y - 2 x + 3 y is harmonic

Q1 Determine whether the functions u=x2-y2+2xy-2x+3y is harmonic
Q1 Determine whether the functions u=x2-y2+2xy-2x+3y is harmonic

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