The value of 'a' for which the equations `3x-y+az = 1 , 2x + y + z = 2, x+2y-az=-1` fail to have unique solution is

The values of p, for which the equations 6x + py - 5 = 0 and 3x + 2y - 8 = 0 have unique solution is :

The value of a for whch the sytem of equations x+ay+z=1 ax+y+z=1 x+y+az=1 has no solution is

The values of x, y, z for the equations x-y+z=1, 2x-y=1, 3x+3y-4z=2 are

The value of a such that the system of equations x-2y+z=-4, 2x – y +2z = 2 and x+y+az = 4, has no solution , is a) 0 b)1 c)3 d)-1

Find the values of a and b for which the system of equations x+y+z=3,x+2y+2z=6,x+9y+az=b will have (i) no solution (ii) unique solution (iii) infinitely many solution

The values of x, y, z for the equations 5x-y+4z=5, 2x+3y+5z=2, 5x-2y+6z=1 are

The values of x, y, z for the equations x+y+z=1, 2x+3y+2z=2, ax+ay+2az=4 are

The real value of ''a' for which the equations ax+y+z=0,-x+ay+z=0,-x-y+az=0 have non-zero solution is

For what values of k, does the system of linear equations x + y + z = 2, 2x + y - z = 3, 3x + 2y + kz = 4 have a unique solution ?