Khan Academy Static

There are two ways to define the derivative of function f at point x=a. The formal definition is the limit of [f(a+h)-f(x)]/h as h approaches 0, and the alternative definition is the limit of [f(x)-f(a)]/(x-a) as x approaches a. Make introduction with these two definitions.

5525_Interpreting_a_limit_to_find_the_derivative_it_describes.html

5523_Formal_and_alternate_form_of_the_derivative.html

5524_Derivative_of_ln_x_as_a_limit.html