7. Let F = F1 i + F2 j + F3 k be a smooth vector field and let f(x, y, z) be a smooth scalar function. Match the follwing (a) ду dz (b) dy dz (c) dx dy dz F1 F2 F3 (d) Vf (e) V.F (f) V × F with one of (i) divF (ii) curl F (iii) grad f

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