Find the critical points of the functions f ( x , y ) = x 2 + 2 y 2 - 4 y + 1
Find the critical points of the functions
Use the Second Derivative Test to determine the local minimum, local maximum, and saddle points.
Cive your newwer as a commsseparated litt of points th the form where noeded. Experss numbers in evact form. Use symbolic nokation and fractices where noeded. Finter DNE if lle anwwer does not exist.