This calculus 3 video explains how to find local extreme values such as local maxima and local minima as well as how to identify any critical points and saddle points in a multivariable function such as f(x,y).

Lines & Planes - Intersection:
   • How To Find The Point Where a Line In...  

Angle Between Two Planes:
   • How To Find The Angle Between Two Planes  

Distance Between Point and Plane:
   • How To Find The Distance Between a Po...  

Chain Rule - Partial Derivatives:
   • Chain Rule With Partial Derivatives -...  

Implicit Partial Differentiation:
   • Implicit Differentiation With Partial...  

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Directional Derivatives:
   • How To Find The Directional Derivativ...  

Limits of Multivariable Functions:
   • Limits of Multivariable Functions - C...  

Double Integrals:
   • Double Integrals  

Local Extrema & Critical Points:
   • Local Extrema, Critical Points, & Sad...  

Absolute Extrema - Max & Min:
   • Absolute Maximum and Minimum Values o...  

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Lagrange Multipliers:
   • Lagrange Multipliers  

Triple Integrals:
   • Triple Integrals - Calculus 3  

2nd Order - Differential Equations:
   • Second Order Linear Differential Equa...  

Undetermined Coefficients:
   • Method of Undetermined Coefficients -...  

Variation of Parameters:
   • Variation of Parameters - Nonhomogene...  

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