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

Home > Just Math
Subtract 1 from squared abbbb (Posted on 2008-08-16) Difficulty: 3 of 5
Determine all possible five digit positive decimal (base 10) integer(s) of the form abbbb, with a ≠ b, that contain no leading zeroes, such that (abbbb2 - 1) is equal to a positive ten digit integer (with no leading zeroes) containing each of the digits 0 to 9 exactly once.

Note: While the solution may be trivial with the aid of a computer program, show how to derive it without one.

See The Solution Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Analytical Solution (spoiler) | Comment 5 of 6 |
(In reply to Analytical Solution (spoiler) by Daniel)

Ty Daniel.

I confirm having hyperlinked your methodology in my soluion.
  Posted by K Sengupta on 2008-08-25 13:04:45

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

Search body:
Forums (3)
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

Copyright © 2002 - 2019 by Animus Pactum Consulting. All rights reserved. Privacy Information