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Let f(x, y) =x^2+ 3y^2−2x−12y+ 13 on the domain A given by the triangular region with...

Let f(x, y) =x^2+ 3y^2−2x−12y+ 13 on the domain A given by the triangular region with vertices (0,0),(0,6), and (2,0).

Find the maximum of f on the boundary of A.

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