If x=y=2z and xyz=256 then what is the value of x?. a)12 b)4 C)16 d)6

If 2x+3y=31,backslash backslash y-z=4 and x+2z=11, then what is the value of x+y+z?( a )12 (b) 13 (c) 15 (d) 16

If x+y+z=2, xy+yz+zx =-11 and xyz =-12, then what is the value of sqrt(x^3 + y^3 +z^3-2) ?

If x^(4)+y^(4)=17 and x+y=1, then what is the value of x^(2)y^(2)-2xy?( a) 8 (b) 10(c)12 (d) 16

If 3x-4y+z=7; 2x-z+3y=19 ; x+2y+2z=24 , then what is the value of z ? (a) 4 (b) 5 (c) 6 (d) 8

If a^(x)=b,b^(y)=c and c^(z)=a then find the value of xyz

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

lf x+y+ z= 6, xyz=-10 and x^2 + y^2 +z^2 = 30 , then what is the value of (x^3 + y^3 + z^3) ?