Question

20) Find the extreme points and values of the function
f(x, y) = x^2 + y^2 + xy + x-4y+5​

Answer 1

Answer:

To find extreme values of a function f , set f'(x)=0 and solve. This gives you the x-coordinates of the extreme values/ local maxs and mins. For example. consider f(x)=x2−6x+5 .