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

Home > Just Math > Calculus
An increasing function equation (Posted on 2021-01-24) Difficulty: 3 of 5
Find all strictly increasing functions f:N->N such that (f(x) + f(y))/(1 + f(x + y)) is a non-zero natural number, for all x, y∈N.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolutionBrian Smith2021-01-24 20:54:16
Some ThoughtsA family of functionsSteve Herman2021-01-24 20:22:37
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (2)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2021 by Animus Pactum Consulting. All rights reserved. Privacy Information