- #1
slr77
- 14
- 0
Homework Statement
Define f(x,y) = x+2y, w = x+y. What is ∂f / ∂w?
Homework Equations
The Attempt at a Solution
f = w+y so:
∂f/∂w = ∂(w+y)/∂w = ∂w/∂w + ∂y/∂w = 1 + ∂y/∂w. But I'm really not sure if this is right and if it right so far, I can't figure out what ∂y/∂w should be...