If `x=2,y=-3,z=-2`, then find the value of `4xy^(2)-3yz^(2)+4x^(2)z`

If x = 6, y = 4 and z = 3, then find the value of x ^(2) + y ^(2) + z ^(2) - 2xy + 2 yz - 2 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=3:4,Y:Z=5:2 then find the value of X:Y:Z.

If x + y + z = 10, x ^(3) + y ^(3) + z ^(3) = 75 and xyz = 15, then find the value of x ^(2) + y ^(2) + z ^(2) - xy - yz - zx

If x:y=2:3 , y:z=3:4 , z:k=1:2 , find the value of x:y:z:k

If x^2+y^2+z^2= xy+yz+zx then find the value of (x+y):z.

find the value of x+y+z if x^(2)+y^(2)+z^(2)=18 and xy+yz+zx=9 .

If x = 1, y = 3, z = 4, find the value of x^2 + 9y^2 + 4z^2 - 6xy + 12yz -4zx .

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