[" If "x+y+z=,5" and "xy+yz+zx=3" ,then least and "],[," largest value of "x" are "]

if x+y+z=1 and xy+yz+zx=1/3 then find x:y:z

If x+y -z = 4 and x^(2) + y^(2) + z^(2) = 30 , then find the value of xy- yz- zx

If ( x +y+z ) = 9 and ( xy + yz + zx ) = 26 then find the value of x^(2) + y^(2) z^(2)

If (x + y + z) = 12, xy + yz + zx = 44 " and " xyz = 48 , then what is the value of x^(3) + y^(3) + z^(3) ?

If x^2 + y^2 + z^2 = xy + yz + zx , then the triangle is :