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

Home > Numbers
Solve in naturals (Posted on 2021-02-12) Difficulty: 3 of 5
Solve in the natural numbers the equation

9x-3x=y4+2y3+y2+2y

No Solution Yet Submitted by Danish Ahmed Khan    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts limited search | Comment 1 of 3
Through y=10,000

for y=0:10000
    l=y^4+2*y^3+y^2+2*y;
    x=round(log(l)/log(9));
    if 9^x-3^x==l
        disp([x y])
    end
end

finds only (x,y) = (1,1)

  Posted by Charlie on 2021-02-12 10:28:19
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 (10)
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