Homework Statement
f(x,y)=xy-y^2 is bound by a rectangle with vertices at (2,-1), (2,2), (-1,2), and (-1,-1.)
Find all 2D, 1D, and 0D critical points.Homework Equations
The Attempt at a Solution
2D Points:
f(x,y)=xy-y^2
f_x=y=0 \Rightarrow y=0
f_y=x-2y=0 \rightarrow x-2(0)=0 \Rightarrow x=0...