Results 1 to 2 of 2

Math Help - Evaluate Logs

  1. #1
    Newbie
    Joined
    Nov 2009
    Posts
    23

    Evaluate Logs

    Evaluate (1/49)^(1+log7(2)) +5 ^-(log1/5(7))
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Grand Panjandrum
    Joined
    Nov 2005
    From
    someplace
    Posts
    14,972
    Thanks
    4
    Quote Originally Posted by KingV15 View Post
    Evaluate (1/49)^(1+log7(2)) +5 ^-(log1/5(7))
    Use:

    \frac{1}{49}=7^{-2}

    and:

    5=\left(\frac{1}{5}\right)^{-1}

    Then the laws of logarithms will see you through.

    CB
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 9
    Last Post: February 22nd 2011, 05:39 PM
  2. Logs
    Posted in the Algebra Forum
    Replies: 1
    Last Post: October 4th 2010, 04:47 PM
  3. Logs
    Posted in the Algebra Forum
    Replies: 1
    Last Post: March 11th 2009, 06:48 PM
  4. Dealing with Logs and Natural Logs
    Posted in the Advanced Algebra Forum
    Replies: 0
    Last Post: April 14th 2008, 06:18 AM
  5. several questions-logs/natural logs
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: November 12th 2007, 08:58 PM

Search Tags


/mathhelpforum @mathhelpforum