Calculus: General Differentiation – #1204


Question: Let \(f\left( x,y \right)=4{{x}^{2}}+2{{y}^{2}}+2xy-10y-2x+1\)

(A) Find the critical points

(B) If there were any critical points found in (A), use the second derivative test to classify the critical points as relative extrema, if possible.

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