Results 1 to 2 of 2

Math Help - ugh, optimazation...

  1. #1
    Newbie
    Joined
    Oct 2008
    Posts
    6

    ugh, optimazation...

    i just have issues with the algebra, i can take the derivative, but then im stuck. thanks for any help in advance!

    An electric current, , in amps, is given by
    where is a constant. What are the maximum and minimum values of I?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Flow Master
    mr fantastic's Avatar
    Joined
    Dec 2007
    From
    Zeitgeist
    Posts
    16,948
    Thanks
    5
    Quote Originally Posted by purplegirl1818 View Post
    i just have issues with the algebra, i can take the derivative, but then im stuck. thanks for any help in advance!


    An electric current, , in amps, is given by

    where is a constant. What are the maximum and minimum values of I?
    Solve dI/dt = 0.

    Show all the work you've done and where you get stuck.

    By the way, there's also a non-calculus way of doing this that involves re-writing the expression for current as I = A \cos (\omega t + \phi).
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Optimazation Ellipse
    Posted in the Calculus Forum
    Replies: 2
    Last Post: November 17th 2010, 02:27 AM
  2. [SOLVED] Optimazation Problems
    Posted in the Calculus Forum
    Replies: 1
    Last Post: November 16th 2010, 10:18 PM
  3. optimazation problem
    Posted in the Calculus Forum
    Replies: 1
    Last Post: April 6th 2010, 05:35 AM
  4. Optimazation help
    Posted in the Calculus Forum
    Replies: 1
    Last Post: March 30th 2009, 05:37 PM
  5. optimazation problems
    Posted in the Calculus Forum
    Replies: 4
    Last Post: November 23rd 2008, 06:53 PM

Search Tags


/mathhelpforum @mathhelpforum