Find the extremum of f(x,y) subject to the given constraint, and state whether it is a maximum or a minimum. f(x,y) = 3x^2 + y^2 - 3xy; x + y = 28 There is a value of located at (x, y) = . (Simplify your answers.)
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f(x, y) = 3x^2 + y^2 - 3xy g(x, y) = x + y = 28 Show more…
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