Consider the functions z = 2 e In y, x = In (u cos v), and y = u sin v. dz ze as functions of u and v both by using the Chain Rule and by expressing z directly in terms of u and v before differentiating. (a) Express and du dz dz (b) Evaluate and du at (u,v) = |8, (a) Find each partial derivative needed to use the Chain Rule to find du dz dx du dz ду ду du

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