Tìm MIN, Giúp vs nào
Cho $\begin{cases}a, b, c
>0 \\ a+b+c=1 \end{cases}$Tìm GT
NN $T=\frac{4}{a+b}+\frac{4}{b+c}+\frac{4}{c+a}-\frac{1}{a}-\frac{1}{b}-\frac{1}{c}$
Cho $\begin{cases}a, b, c
>0 \\ a+b+c=1 \end{cases}$
Tìm GT
LN $T=\frac{4}{a+b}+\frac{4}{b+c}+\frac{4}{c+a}-\frac{1}{a}-\frac{1}{b}-\frac{1}{c}$