All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
More Logs (Posted on 2002-06-17) Difficulty: 1 of 5
If
     log 2(3) = x
What is
     log 2(9) ?

See The Solution Submitted by Dulanjana    
Rating: 1.5000 (16 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution An Alternative Methodology | Comment 9 of 14 |
(In reply to Problem Solution by K Sengupta)

We know that :

log_y(x) = Log_p(x)/log_p(y)

Thus, it follows that:

log_2(9)/log_2(3) = log_3(9) = 2
or, log_2(9) = 2*log_2(3).......(*)

But, log_2(3) = x (given), and accordingly, it follows from (*) that:

log_2(9) = 2x



  Posted by K Sengupta on 2008-03-15 04:10:58

Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information