Question: If x (a, b) = 0 and y (a, b) = 0, then (a, b) is a critical point for . Determine whether

If ƒx(a, b) = 0 and ƒy(a, b) = 0, then (a, b) is a critical point for ƒ.

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

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