Solved

Find the Local Maximum and Minimum Values and Saddle Points $f ( x , y ) = 3 x ^ { 3 } + y ^ { 2 } - 9 x + 4 y$

Question 263

Essay

Find the local maximum and minimum values and saddle points of the function $f ( x , y ) = 3 x ^ { 3 } + y ^ { 2 } - 9 x + 4 y$ .

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