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QUESTION 3 Consider the following function f(x,y) =yJ +6x1y6x1 6yl +3 The function has four critical points in which one of them is a saddle

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QUESTION 3 Consider the following function f(x,y) =yJ +6x1y6x1 6y"l +3 The function has four critical points in which one of them is a saddle point at [El] . Find three other critical points for the function and classify each of them as a maximum, a minimum, or a saddle point. [15 Marks]

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