Question: Let A = (3y z)a x + 2xza y Wb/m in a certain region of free space. (a) Show that A =

Let A = (3y − z)ax + 2xzay Wb/m in a certain region of free space.

(a) Show that ∇ · A = 0.

(b) At P(2,−1, 3), find A, B, H, and J.

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