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Find the Critical point(s) of the function f(x, y) = x^2 + y^2 + xy -...

Find the Critical point(s) of the function f(x, y) = x^2 + y^2 + xy - 3x - 5. Then determine whether each critical point is a local maximum, local minimum, or saddle point. Then find the value of the function at the extreme(s).

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