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13 Nov 2019
I. Suppose the tangent plane to the surface z = f(x,y) is horizontal at (z,y)-(1,1). Also assume at that point, -4, fyyã¼2,å·¦,-1, and all second partial derivatives are continuous. Determine if it is a local maximum, a local minimum or a saddle point.
I. Suppose the tangent plane to the surface z = f(x,y) is horizontal at (z,y)-(1,1). Also assume at that point, -4, fyyã¼2,å·¦,-1, and all second partial derivatives are continuous. Determine if it is a local maximum, a local minimum or a saddle point.
Reid WolffLv2
7 Jun 2019