3 Given k ER, the function f(x, y) = (k +1)x² + ky? + 4zy admits %3D (A) a maximum point, if k = 0 %3D (B) a minimum point, if k = 0 %3D (C) a minimum point, if k = 2 (D) a saddle point, if k = 2

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Q: the function f (x, y) = xy2 +1/6 x3 − x + 1 is given. a) find and classify all critical points of…

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