N nosit Junior Member Joined Aug 9, 2020 Messages 51 Oct 16, 2020 #1 Hello, As per attachment, in the final steps of this proof we take the limit with k approaching 0. Why the difference quotient does not result zero? The numerator ends up being f(g(x))-f(g(x)) Attachments Chain Rule proof.JPG 51.2 KB · Views: 6
Hello, As per attachment, in the final steps of this proof we take the limit with k approaching 0. Why the difference quotient does not result zero? The numerator ends up being f(g(x))-f(g(x))
N nosit Junior Member Joined Aug 9, 2020 Messages 51 Oct 16, 2020 #2 I already understood! It was very simple but I could not see it. Please disregard it.
