The system of equations `(a+1)x+2y-z=1,ay -2z=2` and `(a+2)z=3` have only one solution then `a=`

The simultaneous equations Kx+2y-z=1, (K-1)y-2z=2 and (K+2)z=3 have only one solution, when

if the system of equations x+y+z=0 , x+3y+k^2z=0 and x+2y+z=0 have a non zero solution then value of y+(x/z) is

If the system of equation {:(,x-2y+z=a),(2x+y-2z=b),and,(x+3y-3z=c):} have at least one solution, then

Find a in R for which the system of equations 2ax-2y+3z=0 , x+ay + 2z=0 and 2x+az=0 also have a non-trivial solution.

The system of equations ax-y-z=a-1,x-ay-z=a-1,x-y-az=a-1 has no solution,if a is

If the system of linear equations x+ay+z=3 and x+2y+2z=6 and x+5y+3z=b has no solution,then (a) a=-1,b=9(2)a=-1,b!=9 (3) a!=-1,b=9(4)a=1,b!=9