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###### 88213 Partial DerivativesEXERCISESRAIn Exercises 23 find all critica points Determine whether each critical point yields # relative maXimum value, a relative mhinimum value. 01 saddle point 1. fl") =42 Hmz 61 Su 2_ f(x>) =42 Hpii 61 Sv Wb 3. f6J) =l 61V Hizvh 6xhHOv 2

882 13 Partial Derivatives EXERCISESRA In Exercises 23 find all critica points Determine whether each critical point yields # relative maXimum value, a relative mhinimum value. 01 saddle point 1. fl") =42 Hmz 61 Su 2_ f(x>) =42 Hpii 61 Sv Wb 3. f6J) =l 61V Hizvh 6xhHOv 2

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