Question: PART - A 1. If F = (x - y + 2xz)i+ (xz- xy+ yz)j + (z + x)k, find grud (div F). 2.

PART - A 1. If F = (x - y + 2xz)i+ (xz- xy+ yz)j + (z + x)k, find grud (div F). 2. Prove that V(logr)=where r=171 3. Find Vr = nr. Where r = x + y + 2. 4. Find v. 18.(x) 5. Find the unit normal to the surface xyz=2 at (2,1,1).

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