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###### Point) Find all local maxima , Iocal minima_ and saddle points of each function. Enter each point as an ordered triple, enter comma-separated Iist of ordered triples_ there are no points of = givon type. enter none flx,y) = 21' +Sxy 8y'Local maxima aro (-5*(21 (1/3V/12 5*(41^(1/31241Local minima are noneSaddle points are (0,01, (0, -5*(41^(1/31/24), (-5*(2)*(1f(x,y) = 4x' +4y' + Sx? 8y2 C 4Local maxima are (-5/6, 0)Local minima are (0 , 4/3)Saddle points are (0,01, (-5/6, 4/3

point) Find all local maxima , Iocal minima_ and saddle points of each function. Enter each point as an ordered triple, enter comma-separated Iist of ordered triples_ there are no points of = givon type. enter none flx,y) = 21' +Sxy 8y' Local maxima aro (-5*(21 (1/3V/12 5*(41^(1/31241 Local minima are none Saddle points are (0,01, (0, -5*(41^(1/31/24), (-5*(2)*(1 f(x,y) = 4x' +4y' + Sx? 8y2 C 4 Local maxima are (-5/6, 0) Local minima are (0 , 4/3) Saddle points are (0,01, (-5/6, 4/3) fkx,Y) = 3x' +6y 36x? 9y2 36y Local maxima are (0,-2), (-8,-2) Local minlma are nono Saddle points are (0,1), (-8,1)

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