Question: Given w = f(x, y, z) = 4.x2 + y? + 4z2. Sketch the level surface of the function for w = 1. 3.

Given w = f(x, y, z) = 4.x2 + y? + 4z2.

Given w = f(x, y, z) = 4.x2 + y? + 4z2. Sketch the level surface of the function for w = 1. 3. Let V = eP cos(qr), with p = x In(xyz), q = z cos(ry) and r 2 tan(y). By using the chain rule, find dy' when x = y = z = 1. 2.

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