07/07/12 11:14:54
x,y,z is possible. Prove
{(xy^2+1)^(1/3)+(yz^2+1)^(1/3)+(zx^2+1)^(1/3)}^3≧xyz+1
07/07/12 11:14:54
x,y,z is possible. Prove
{(xy^2+1)^(1/3)+(yz^2+1)^(1/3)+(zx^2+1)^(1/3)}^3≧xyz+1
07/07/12 11:14:54
x,y,z is possible. Prove
{(xy^2+1)^(1/3)+(yz^2+1)^(1/3)+(zx^2+1)^(1/3)}^3≧xyz+1