All about
flooble

fun stuff

Get a free chatterbox

Free JavaScript

Avatars
perplexus
dot
info
Home
>
Just Math
An Odd Function (
Posted on 20061228
)
Let f:R→R satisfy
f(a)≠0 for some a in R
f(xf(y))=yf(x) for all x,y in R
Prove that f(x)=f(x) for all x in R.
See The Solution
Submitted by
Bractals
Rating:
3.8333
(6 votes)
Comments: (
Back to comment list
 You must be logged in to post comments.
)
problem with expression (1)
 Comment 15 of 18 
Why in (1) f(0) = f(0f(0)) = 0f(0) = 0 ?
Posted by
Ferdinand
on 20061230 18:10:07
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 (1)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
blackjack
flooble's webmaster puzzle
Copyright © 2002  2018 by
Animus Pactum Consulting
. All rights reserved.
Privacy Information