- #1
Punkyc7
- 420
- 0
Suppose z=e^(xy+x-y). How fast is z changing when we move from the origin towards the point (2,1)?
Would it just be 1/sqrt((2^2+1))=1/sqrt(5), i am asking this because does the z=e^(xy+x-y) get used at all?
Would it just be 1/sqrt((2^2+1))=1/sqrt(5), i am asking this because does the z=e^(xy+x-y) get used at all?