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answer
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watching
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13 Nov 2019
2. Suppose the tangent plane to the surface u, g(z, y, z) is horizontal at (z, y, z)-(0, 1, 27). Also assume at that point, grz gry 1, grz 0 , gy:-0, and all second partial derivatives are continuous. Determine if it is a local maximum, a local minimum or a saddle point. -3, gyy-3, gzz--1,
2. Suppose the tangent plane to the surface u, g(z, y, z) is horizontal at (z, y, z)-(0, 1, 27). Also assume at that point, grz gry 1, grz 0 , gy:-0, and all second partial derivatives are continuous. Determine if it is a local maximum, a local minimum or a saddle point. -3, gyy-3, gzz--1,
Collen VonLv2
6 Oct 2019