[" 34.The system of equations "alpha x+y+z=alpha-1,x+alpha y+z=alpha-1,x+y+alpha z=alpha-1" has "],[" no solution,if "alpha" is "]

The system of equations alpha x+y+z=alpha-1 x+alpha y+z=alpha-1 x+y+alpha z=alpha-1 has no solution if alpha is(a)

The system of equations alphax+y+z=alpha-1,x+alphay+z=alpha-1,x+y+alphaz=alpha-1 has no solution if alpha is

The system of equations alphax+y+z=alpha-1, x+alphay+z=alpha-1 x+y+alphaz=alpha-1 and has no solution if alpha is

The system of equations alphax+y+z=alpha-1, x+alphay+z=alpha-1 x+y+alphaz=alpha-1 and has no solution if alpha is

The system of equations alphax+y+z=alpha-1, x+alphay+z=alpha-1 x+y+alphaz=alpha-1 and has no solution if alpha is

The system of equations alphax+y+z=alpha-1, x+alphay+z=alpha-1, x+y+alphaz=alpha-1 has no solution if alpha is (A) 1 (B) not -2 (C) either -2 or 1 (D) -2

The system of equations alphax+y+z=alpha-1, x+alphay+z=alpha-1, x+y+alphaz=alpha-1 has no solution if alpha is (A) 1 (B) not -2 (C) either -2 or 1 (D) -2