Question: Let (x, y, z) = x 2 y + y 2 z. Use the Chain Rule to calculate /s and /t (in terms of s

Let ƒ(x, y, z) = x2y + y2z. Use the Chain Rule to calculate ∂ƒ/∂s and ∂ƒ/∂t (in terms of s and t), where

x = s + t, y = st, z = 2s − t

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