- Messages
- 53
- Reaction score
- 11
- Points
- 8
yeah i got the same for 7b its when the lower hald of dy/dx=0 so when dx/dy=0
8b i just realised after the exam, i think the answer was (7,2,4) and (-1,-6,8)
yea this is what i got for 8b
are you sure of the answer ? i got the lamda as -3 and -7