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QUESTION 3 Using the following function: z = 20 + 100x - 3x2 - 2y2 + x.y Find the value(s) of x and y that

QUESTION 3

Using the following function: z = 20 + 100x - 3x2 - 2y2 + x.y

Find the value(s) of x and y that maximise z, making sure that you check if your solution is a point of inflection or a saddle point.

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