Question

Demonstrati:
x^2*z+x*y*z+y*z^2>=3

x,y,z>0
x*y*z=1
x,y,z∈R

Answer 1

x_b {x} \, dx↓yx1/0    Noi studentii facem asa dar pntru tine uite x,y,z-1,∛ x,y,z-0,2 x,y,z∉R