Consider the following maximization problem: The unique stationary point is given by X* = maxx,y[tx + ky - x²/2 - y²/2] y* = The 1st leading principal minor of the Hessian evaluated at (x*,y*) is |H₁| = The 2nd leading principal minor of the Hessian evaluated at (x*,y*) is |H₂| =

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