- #1
inferi
- 16
- 0
hi,
there is a challenging problem that no one could answer it,so here it is if anyone wants to try:
if x,z,y are all positive real numbers prove that:
(1+x^2)(1+y^2)(1+z^2)/(xyz)>=8
so anyone can help please? thank you.
there is a challenging problem that no one could answer it,so here it is if anyone wants to try:
if x,z,y are all positive real numbers prove that:
(1+x^2)(1+y^2)(1+z^2)/(xyz)>=8
so anyone can help please? thank you.