Solved

Find the Local Maximum and Minimum Values and Saddle Points $f ( x , y ) = - x ^ { 4 } + 4 x y - 2 y ^ { 2 } + 1$

Question 264

Essay

Find the local maximum and minimum values and saddle points of the function $f ( x , y ) = - x ^ { 4 } + 4 x y - 2 y ^ { 2 } + 1$ .

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