Find the relative minimum value of f(x,y)=4x^(2)+2y^(2)-xy, subject to the constraint x+y=28.
The relative minimum value is f()=,
(Simplify your answers.)
Find the relative minimum value of f(,y) = 4x2 + 2y2 -- xy, subject to the constraint + y = 28.
The relative minimum value is f= (Simplify your answers.)