A. Ē = -VV if V(r, p, z) = 10z sin o B. Divergence ủ ifů = (r cos² 0)f = (r cos 0 sin 0)êê + 3r@ C. Curl A at point (3,,2) if Ā = 3r²z?f + 5r sin ø@ + 4z³rî

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