giiiiiiiiiiiup
cho a,b,c>0 CMR:$\frac{b^2c^3}{a^2(b+c)^3}+\frac{c^2a^3}{b^2(c+a)^3}+\frac{a^2
b^3}{c^2(a+b)^3}\geq \frac{9abc}{4(3abc+ab^2+bc^2+c
a^2)}$
Bất đẳng thức
giiiiiiiiiiiup
cho a,b,c>0 CMR:$\frac{b^2c^3}{a^2(b+c)^3}+\frac{c^2a^3}{b^2(c+a)^3}+\frac{a^2
c^3}{c^2(a+b)^3}\geq \frac{9abc}{4(3abc+ab^2+bc^2+c^2
a)}$
Bất đẳng thức
giiiiiiiiiiiup
cho a,b,c>0 CMR:$\frac{b^2c^3}{a^2(b+c)^3}+\frac{c^2a^3}{b^2(c+a)^3}+\frac{a^2
b^3}{c^2(a+b)^3}\geq \frac{9abc}{4(3abc+ab^2+bc^2+c
a^2)}$
Bất đẳng thức