1. (x^2)*y + x*(y^2) = 6 2.x^3+y^3 =18xy 3. 2xy + y^2 = x + y 4. x^3 - xy + y^3 = 1

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3.7  Implicit Differentiation Ex1-4
數學系卡安很閒 所以決定拯救沒辦法用slader和chegg的莘莘學子
Differentiating Implicitly
Use implicit differentiation to find dy/dx in Exercises 1–4.
1. (x^2)*y + x*(y^2) = 6
2. x^3 + y^3 = 18xy
3. 2xy + y^2 = x + y
4. x^3 - xy + y^3 = 1
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