Definition of the Derivative | Part I
5:46
Applying the Definition of the Derivative to 1/x
4:26
What is an infinite limit?
10:43
What is a derivative?
14:51
Geometric Meaning of the Gradient Vector
10:05
What is a Derivative? Deriving the Power Rule
14:30
Derivatives... What? (NancyPi)
7:55
what's a derivative?
25:27