Question: Show that w = e x sin y satisfies Laplaces equation 2 w = 0 and, using (12), integrate w(w/n) counterclockwise around the boundary

Show that w = e^xsin y satisfies Laplace’s equation ∇²w = 0 and, using (12), integrate w(∂w/∂n) counterclockwise around the boundary curve C of the rectangle 0 ≤ x ≤ 2, 0 ≤ y ≤ 5.

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