Defining a derivative as a function
104206
How to find the nth derivative?
97418
Fourier Transform of Derivative
30836
Derivative of a determinant whose entries are functions
60321
Use the definition of derivative to prove $\lim_{x\to 0}\ln(x+1)/x =1$
59279
Example of function that is differentiable, but the second derivative is not defined
30088
What is the meaning of the third derivative of a function at a point
41557
Most general $A \subseteq \mathbb R$ to define derivative of $f: A \to \mathbb R$?
36990
Notation of the second derivative - Where does the d go?
16034
Function whose inverse is also its derivative?
143874
Limit of derivative is zero. Does it imply a limit for f(x)?
102013
The derivative of $e^x$ using the definition of derivative as a limit and the definition $e^x = \lim_{n\to\infty}(1+x/n)^n$, without L'Hôpital's rule
133424
Why do we make a distinction between derivatives and partial derivatives?
105767
derivative under integral intuition
83915
Showing that a function is not differentiable
89185
The notation for partial derivatives
96856
Derivative at Endpoint
101037
The given limit is a derivative, but of what function and at what point?