Cho a,b,c là các số thực. CM:
$2(1+abc)+\sqrt{2(1+a^{2})(1+b^{2})(1+c^{2})}\geq (1+a) (1+b) (1+c)$
$2(1+abc)+\sqrt{2(1+a^{2})(1+b^{2})(1+c^{2})}\geq (1+a) (1+b) (1+c)$
Started By hieu31320001, 27-09-2017 - 16:03
#1
Posted 27-09-2017 - 16:03
hieu31320001
-
- Thành viên
-
- 121 posts
Trung sĩ
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
