SubTopic: Critical Points

-------- Animations --------

file1_Critical_Point_of_a_function ![](?raw=true)

file2_Traces_and_Tangent ![](?raw=true)

file3_Tangent_plane_at_extrema_of_a_function ![](?raw=true)

file4_Types_of_critical_points ![](?raw=true)

file5_f(x,y)=(y-x)(1-2x-3y) ![](f?raw=true)