1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Log law -Change base

  1. Jan 25, 2006 #1
    I am just a little confused with this log law of change base. Is there any one who can give me a clear description with an example?:smile:
  2. jcsd
  3. Jan 25, 2006 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    Dearly Missed

    Let a,b>0, and distinct from 1 be the respective bases, and let c be an arbitrary positive number.

    Then, you evidently have:
    Taking the logarithm with respect to a on both sides, you get:
    that is:
    Was that what you're after?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook