Feb 7, 2020 #1 Witcher Messages 15 Reaction score 3 Homework Statement Lim as F(x)= (x+δx)^2-2(x+δx)+1(x^2-2x+1)/δx δx-> 0 I have a δx left over and i don’t know how to get rid of it. Relevant Equations Lim as F(x)= (x+δx)^2-2(x+δx)+1(x^2-2x+1)/δx δx-> 0 How can i get rid of the last delta x Attachments image.jpg 51.3 KB · Views: 216
Feb 7, 2020 #2 PeroK Science Advisor Homework Helper Insights Author Gold Member 2025 Award Messages 29,784 Reaction score 21,588 Witcher said: I have a δx left over and i don’t know how to get rid of it. How can i get rid of the last delta x Take the limit as ##\delta x \rightarrow 0##.
Witcher said: I have a δx left over and i don’t know how to get rid of it. How can i get rid of the last delta x Take the limit as ##\delta x \rightarrow 0##.
Feb 7, 2020 #3 Witcher Messages 15 Reaction score 3 like this right Attachments image.jpg 48.2 KB · Views: 207
Feb 7, 2020 #4 PeroK Science Advisor Homework Helper Insights Author Gold Member 2025 Award Messages 29,784 Reaction score 21,588 Witcher said: like this right The idea is correct. I would say you need to keep ##\lim_{\Delta x \rightarrow 0}## in every line until you take the limit.
Witcher said: like this right The idea is correct. I would say you need to keep ##\lim_{\Delta x \rightarrow 0}## in every line until you take the limit.
