[" If the equations "],[x+ay-z=0,2x-y+az=0,ax+y+],[" non - trivial solutions,then "a" can be "]

If the equations x+ay-z=0,2x-y+az=0,ax+y+y+2z=0 have non-trivial solution,then a=2 (b) -2(c)1+sqrt(3) (d) 1=sqrt(3)

If the system of equations x+y+z=0 ax+by+z=0 bx+y+z=0 has a non trivial solution then

If a!=b!=c!=1 and the system of equations ax+y+z=0,x+by+z=0 ,x+y+cz=0 have non trivial solutions then a+b+c-abc

If system of equations 2x+2ay+az=0 2x+3by+bz=0 2x+4cy+cz=0 have non-trivial solution then

If system of homogenous equations x+ky-2z=0,2x+y-3z=0 and 4x+2y-kz=0 has non-trivial solution thenthe integral value of k is

If the system of equations x= cy +bz, y=az +cx and z=bx+ay has a non - trivial solution then

If the three linear equations x+4ay+az=0 , x+3by+bz=0 and x+2cy+cz=0 have a non-trivial solution,then, (a,b,c in R)