Question: Consider the surface f(x, y) = xy ? y + x ? 1 with x 2 + y 2 ? 4. (a) Let (x0, y0)

Consider the surface f(x, y) = xy ? y + x ? 1 with x 2 + y 2 ? 4. (a) Let (x0, y0) = (? 2, ? 2). Find the directional derivative f ? ((x0, y0),(1, 0)T ). Determine the direction of the st 2 answers

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