- #1
knockout_artist
- 70
- 2
From Mary Boas's book, chapter 4.
Z = x^3 -e^xy
1- Z(x) = 3x^2 y - ye^xy make sense according to derivation rule d(e^u)/dx = e^u.u`
2-Z(y) = 3^x - xe^xy make sense too.
3-Z(y)x)) = 3x^2 - e^xy - xye^xy where e^xy came from ??
Thank you.
Z = x^3 -e^xy
1- Z(x) = 3x^2 y - ye^xy make sense according to derivation rule d(e^u)/dx = e^u.u`
2-Z(y) = 3^x - xe^xy make sense too.
3-Z(y)x)) = 3x^2 - e^xy - xye^xy where e^xy came from ??
Thank you.