Difference between revisions of "1986 IMO Problems/Problem 5"
(Created page with 'Find all (if any) functions <math>f</math> taking the non-negative reals onto the non-negative reals, such that (a) <math>f(xf(y))f(y) = f(x+y)</math> for all non-negative <math…') |
(No difference)
|
Revision as of 07:04, 31 July 2010
Find all (if any) functions 
taking the non-negative reals onto the non-negative reals, such that
(a) 
for all non-negative 
, 
;
(b) 
;
(c) 
for every 
.
