let f(x,y)=kx2 y2−8xy
.
(a) Determine the values of
(if any) for which the critical point at (0,0)
is a saddle point.
Select answer from the options below
<9
≥9
There are no such values of
.
(b) Determine the values of
(if any) for which the critical point at (0,0)
is a local maximum.
Select answer from the options below
<9
≥9
There are no such values of
