Question: Question 3 Let f(x, y) = y/x. (a). Explain why f is differentiable at the point (1, 1). (b). Find a linear approximation to f(x,

Question 3

Let f(x, y) = y/x.

(a). Explain why f is differentiable at the point (1, 1).

(b). Find a linear approximation to f(x, y) near (1, 1).

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