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

Home > Numbers
Given the Equation, Find the Solution (Posted on 2024-07-05) Difficulty: 3 of 5
Find all pairs (x, y) of positive integers that satisfy this equation:
(y+1)y = 2*yx+3y+1

*** Adapted from a problem which appeared at the 2012 Spanish Mathematical Olympiad.

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts Computer Solution | Comment 1 of 3
I could not come up with an analytic way to solve this.

(3,3) was the only solution found with the program below:
---------
big = 1000
for x in range(1, big):
    for y in range(1, big):
        if (y+1)**y == 2*y**x + 3*y + 1:
            print(x,y)

  Posted by Larry on 2024-07-05 14:09:39
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 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information