For what values of p and q, the system of equations 2x + py + 6z = 8, x + 2y + qz = 5, x + y + 3z = 4 has no solution

For what values of p and q, the system of equations 2x + py + 6z= 8, x + 2y + qz = 5, x + y + 3z = 4 has a unique solution

For what values of p and q, the system of equations 2x + py + 6z= 8, x + 2y + qz = 5, x + y + 3z = 4 has infinitely many solutions.

The system of linear equations 3x + y -z = 2, x - z =1 and 2x + 2y + az=5 has unique solution when

Sum of values of p for which, the equations x + y + z = 1, x + 2y + 4z = p and x + 4y + 10z = p^(2) have a solution is a)1 b)2 c)3 d)5

If the system of equations x - 2y +z = a , 2x + y - 2z = b, x +3y - 3z = c, has at least one solution, then a) a + b + c = 0 b) a - b + c = 0 c) -a + b + c = 0 d) a + b - c = 0

Solve the system of Linear equations x+2y+z=8 , 2x+y-z=1 , x-y+z=2

The system of equations x+y+2z=4 3x+3y+6z=17 5x-3y+2z=27 has

Solve the following system of equations 3x-2y+3z=8 , 2x+y-z=1 , 4x-3y+2z=4