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Section 14.3 Partial Derivatives

Ex: 45–46. Use the definition of partial derivatives as limits (4) to find $f_x(x, y)$ and $f_y(x, y)$.

  1. \(f(x, y) = xy^2 - x^3 y\)
  1. \(f(x, y) = \frac{x}{x + y^2}\)