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

Home > Just Math
Root sum or integer? (Posted on 2013-08-18) Difficulty: 3 of 5
Determine which of these is larger:
       29√14 + 4√15  or,    124
*** For an extra challenge, solve this problem using only pen and paper.

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
re(4): the hard way....slightly softened Comment 6 of 6 |
(In reply to re(3): the hard way....slightly softened by Steve Herman)

OK.

No offense.
I hope that you know at least 2 additional proofs supporting the 14.5 result : 1). (a+b)^2=a^2+2ab  , ignoring b^2 and   2). Newton's approximation.

All in all it was cute, albeit very easy puzzle.

  Posted by Ady TZIDON on 2013-08-19 10:16:40
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 (3)
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