Các câu hỏi tương tự
Cho x>y TM: x+y<=1 CMR: 1/x^2+y^2 = 1/xy>=6
Cho a,b,c >0 TM: a+b+c<=1 CMR: (1/a^2+bc) + (1/b^2+ac)+ 1/c^2+2ab >=9
Cho a,b>0 TM: a+b<=1 ;CMR: (1/a^b^2)+4b+1/ab>=7
Cho a,b>0 TM:a+b<=1. CMR: 1/1+a^2+b^2 +1/2ab >=8/3
Cho a,b,c>0 TM: a+b+c<=3.CMR: 1/a^2+b^2+c^2 +2009/ab+bc+ac >=670
Cho x>y TM: x+y<=1 CMR: 1/x^2+y^2 = 1/xy>=6
Cho a,b,c >0 TM: a+b+c<=1 CMR: (1/a^2+bc) + (1/b^2+ac)+ 1/c^2+2ab >=9
Cho a,b>0 TM: a+b<=1 ;CMR: (1/a^b^2)+4b+1/ab>=7
Cho a,b>0 TM:a+b<=1. CMR: 1/1+a^2+b^2 +1/2ab >=8/3
Cho a,b,c>0 TM: a+b+c<=3.CMR: 1/a^2+b^2+c^2 +2009/ab+bc+ac >=670
Cho x>y TM: x+y<=1 CMR: 1/x^2+y^2 = 1/xy>=6
Cho a,b,c >0 TM: a+b+c<=1 CMR: (1/a^2+bc) + (1/b^2+ac)+ 1/c^2+2ab >=9
Cho a,b>0 TM: a+b<=1 ;CMR: (1/a^b^2)+4b+1/ab>=7
Cho a,b>0 TM:a+b<=1. CMR: 1/1+a^2+b^2 +1/2ab >=8/3
Cho a,b,c>0 TM: a+b+c<=3.CMR: 1/a^2+b^2+c^2 +2009/ab+bc+ac >=670
Cho x>y TM: x+y<=1 CMR: 1/x^2+y^2 + 1/xy>=6
Cho a,b,c >0 TM: a+b+c<=1 CMR: (1/a^2+bc) + (1/b^2+ac)+ 1/c^2+2ab >=9
Cho a,b>0 TM: a+b<=1 ;CMR: (1/a^b^2)+ 4b + 1/ab>=7
Cho a,b>0 TM:a+b<=1. CMR: 1/1+a^2+b^2 + 1/2ab >=8/3
Cho a,b,c>0 TM: a+b+c<=3.CMR: 1/a^2+b^2+c^2 + 2009/ab+bc+ac >=670
1) a,b,m>0
CMR : (1+a/b)m+(1+b/a)m>=2m+1
2) cho a,b,c thỏa mãn a+b+c=0
CMR : 8a +8b +8c>=2a+2b+2c
1) a,b,m>0
CMR : (1+a/b)m+(1+b/a)m>=2m+1
2) cho a,b,c thỏa mãn a+b+c=0
CMR : 8a +8b +8c>=2a+2b+2c
1) cho a,b,m>0
CMR : (1+a/b)m +(1+b/a)m >= 2m+1
2) cho a,b,c thỏa mãn a+b+c=0
CMR : 8a +8b +8c >= 2a +2b +2c
;
cho a,b,c>0 CMR:\(\frac{a^8+b^8+c^8}{\left(abc\right)^3}\ge\frac{1}{a}+\frac{1}{b}+\frac{1}{c}\)
Mí bạn zúp mình nhá ^-^.Choa,b,c>0.CMR
(1-a/b+c)(1-b/c+a)(1-c/a+b) nhỏ hơn hoặc bằng \(\frac{1}{8}\)