- #1
thomas49th
- 655
- 0
Homework Statement
From the taylor series we can replace [tex]x =x_{0} + h[/tex]
but how does
[tex]\delta f = f(x_{0} + h, y_{0} + k) - f(x_{0},y_{0})[/tex]
become
[tex]\delta f = hf(x_{0}, y_{0}) + kf(x_{0}, y_{0})[/tex]
I can see the first step, but how do you get it to the second?