Question

Determine whether the following statement is true or false, and explain why.

For a function z = ƒ(x, y), suppose that the point (a, b) has been identified such that ƒx(a, b) = ƒy(a, b) = 0. We can conclude that a relative maximum or a relative minimum must exist at (a, b).

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Calculus

Applications of Derivative

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