Results 1 to 2 of 2

Math Help - TI-89 Titanium: SOLVE AN EQUATION

  1. #1
    Newbie
    Joined
    Jul 2008
    Posts
    20

    Exclamation TI-89 Titanium: SOLVE AN EQUATION

    The equation is this: ln(x-1)=2x-3

    When i solve for x, the calculator says: More solutions may exist.

    and it does not give me any solutions.

    What should i do to get the results?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Rhymes with Orange Chris L T521's Avatar
    Joined
    May 2008
    From
    Chicago, IL
    Posts
    2,844
    Thanks
    3
    Quote Originally Posted by tupac View Post
    The equation is this: ln(x-1)=2x-3

    When i solve for x, the calculator says: More solutions may exist.

    and it does not give me any solutions.

    What should i do to get the results?
    Graph it.

    From the graph, there is no intersection point.

    Thus, the solution to the equation you asked about will be complex.

    On the TI89, use

    Code:
    csolve(ln(x-1)=2x-3,x)
    You will get 1 solution.

    I hope this clarifies things!

    --Chris
    Attached Thumbnails Attached Thumbnails TI-89 Titanium: SOLVE AN EQUATION-log.jpg  
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. [SOLVED] TI-89 Titanium: SOLVE AN EQUATION
    Posted in the Calculators Forum
    Replies: 4
    Last Post: October 14th 2008, 06:54 AM
  2. TI-89 Titanium: GRAPHING
    Posted in the Calculators Forum
    Replies: 1
    Last Post: August 26th 2008, 08:40 PM
  3. Ti 89 Titanium: Finding An Equation Of An Asymptote
    Posted in the Calculators Forum
    Replies: 1
    Last Post: July 15th 2008, 11:10 AM
  4. Ti-89 Titanium Solving equation systems
    Posted in the Calculators Forum
    Replies: 6
    Last Post: May 3rd 2008, 11:26 AM
  5. Multiple Variable Equation, T-89 Titanium
    Posted in the Calculators Forum
    Replies: 3
    Last Post: February 19th 2008, 11:09 PM

Search Tags


/mathhelpforum @mathhelpforum