Results 1 to 2 of 2

Thread: How to use the difference quotient..

  1. November 27th 2008, 12:58 PM #1
    Manizzle
    Manizzle is offline
    Junior Member
    Joined
    Apr 2008
    Posts
    35

    How to use the difference quotient..

    How do i use the difference quotient to find the first derivative of f(x) = x^{5}?
    Follow Math Help Forum on Facebook and Google+
  2. November 27th 2008, 01:13 PM #2
    Mathstud28
    Mathstud28 is offline
    MHF Contributor Mathstud28's Avatar
    Joined
    Mar 2008
    From
    Pennsylvania
    Posts
    3,641
    Quote Originally Posted by Manizzle View Post
    How do i use the difference quotient to find the first derivative of f(x) = x^{5}?
    That is what I call tedious, you merely have to find

    \lim_{\Delta{x}\to{0}}\frac{\left(x+\Delta{x}\righ t)^5-x^5}{\Delta{x}}

    Give it a try and report back...the answer should be 5x^4
    Follow Math Help Forum on Facebook and Google+
« Integral Help | u-substitution problem help »

Similar Math Help Forum Discussions

  1. Using the difference quotient?
    Posted in the Calculus Forum
    Replies: 2
    Last Post: May 16th 2010, 11:09 AM
  2. Difference Quotient
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: September 7th 2009, 07:46 PM
  3. Difference quotient!
    Posted in the Algebra Forum
    Replies: 2
    Last Post: August 5th 2009, 03:47 AM
  4. More Difference Quotient
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: December 28th 2008, 07:14 AM
  5. Difference Quotient
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: December 23rd 2008, 09:08 PM

Search Tags


/mathhelpforum @mathhelpforum