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Limit Definition of the Derivative
- Be careful in your
work with
- it is a function composition!
- Also take care in
carrying out the subtraction
;
realize we are subtracting off the entire quantity given by
.
- The work here for
and
is famous and involves a couple famous limits.
- If you know how to compute derivatives directly, you can check your result by this means.
Limit Definition of the Derivative
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

































1 answer
Last reply by: Carolina DaSilva
Sat Apr 2, 2011 10:41 AM
Post by Moniyka Sachar on September 26, 2010
It would be great if educator.com added an additional part to this sequence, about graphing derivatives and relating them to the original graph, because those can be tricky. Otherwise, thanks!
0 answers
Post by Senghuot Lim on July 5, 2011
Switkes is GOD...
0 answers
Post by Hanna Flanagan on September 12, 2012
what about finding the derivitave of 3x^2+1 at x=-1 using this formula?
2 answers
Last reply by: Erika O
Wed Mar 13, 2013 4:10 PM
Post by Erika O on March 5 at 04:14:25 PM
All of the calculus books and course material I have uses Δx instead of h as a variable. Is there a reason that it is different here?
0 answers
Post by Jose Gonzalez-Gigato on April 9 at 04:39:38 PM
Great teaching! Thanks!