IMO 2017 Shortlist A6
Find all fun tions f : R Ñ R su h that fpfpxqfpyqq fpx yq “ fpxyq for all x,y P R. (Albania)
Category: Algebra
Problem
Find all fun tions f : R Ñ R su h that
fpfpxqfpyqq fpx yq “ fpxyq
for all x,y P R.
(Albania)
Find all fun tions f : R Ñ R su h that fpfpxqfpyqq fpx yq “ fpxyq for all x,y P R. (Albania)
Category: Algebra
Find all fun tions f : R Ñ R su h that
fpfpxqfpyqq fpx yq “ fpxyq
for all x,y P R.
(Albania)