P
phuong0210


cho x,y,z>0. tìm min
p=\frac{3}{2x+y+2\sqrt[1]{2yz}} - \frac{8}{3+\sqrt[1]{2(x+z)^2 + 2y^2}} - \frac{1}{x+y+z}
p=\frac{3}{2x+y+2\sqrt[1]{2yz}} - \frac{8}{3+\sqrt[1]{2(x+z)^2 + 2y^2}} - \frac{1}{x+y+z}