If xy=z,yz=x and zx=y, then Find xyz
If x+y+z=1,xy+yz+zx=-1 and xyz=-1 , x³+y³+z³=?
Find the value of A+B+C if : A=(7xy+5yz−3zx) B=(4yz+9zx−4y) C=(−3xz+5x−2xy)