Results 1 to 3 of 3

Thread: please help me solve this

  1. August 1st 2008, 09:40 PM #1
    brumby_3
    brumby_3 is offline
    Member
    Joined
    Jul 2008
    Posts
    212

    please help me solve this

    3e^[4x + 2] = 9
    Follow Math Help Forum on Facebook and Google+
  2. August 1st 2008, 09:43 PM #2
    11rdc11
    11rdc11 is offline
    Super Member 11rdc11's Avatar
    Joined
    Jul 2007
    From
    New Orleans
    Posts
    894
    I think the answer is x= {(ln3)-2}/4
    Last edited by 11rdc11; August 1st 2008 at 10:19 PM.
    Follow Math Help Forum on Facebook and Google+
  3. August 1st 2008, 09:50 PM #3
    tutor
    tutor is offline
    Junior Member
    Joined
    Jul 2008
    Posts
    42
    Hi friend
    given
    3e^(4x+2)=9
    e^(4x+2)=3
    by using the definition of logarithm
    we get as
    log3 to the base e=4x+2
    x=(log3-2)/4
    Follow Math Help Forum on Facebook and Google+
« quadratic equation problems | Fractions again :p »

Similar Math Help Forum Discussions

  1. need to solve summation equation to solve sum(x2)
    Posted in the Statistics Forum
    Replies: 2
    Last Post: July 16th 2010, 10:29 PM
  2. how do i solve this IVP: y'=y^2 -4
    Posted in the Differential Equations Forum
    Replies: 2
    Last Post: February 24th 2010, 11:14 AM
  3. How To Solve Integral of e? And solve velocity?
    Posted in the Calculus Forum
    Replies: 1
    Last Post: June 9th 2009, 10:37 PM
  4. how do i solve this?
    Posted in the Algebra Forum
    Replies: 2
    Last Post: August 2nd 2008, 02:58 PM
  5. how to solve ..
    Posted in the Advanced Algebra Forum
    Replies: 0
    Last Post: August 2nd 2008, 08:17 AM

Search Tags


/mathhelpforum @mathhelpforum