If x = a , y = b, z = c is the solution of the system of simultaneous linear equations x + y + z = 4, x- y + z =2, x + 2y + 2z =1, then ab + bc + ca =

If x =a, y=b, z=c is a solution of the system of linear equations x + 8y + 7z =0, 9 x + 2y + 3z =0, x + y+z=0 such that point (a,b,c ) lies on the plane x + 2y + z=6, then 2a+ b+c equals

If x =a, y=b, z=c is a solution of the system of linear equations x + 8y + 7z =0, 9 x + 2y + 3z =0, x + y+z=0 such that point (a,b,c ) lies on the plane x + 2y + z=6, then 2a+ b+c equals

The system of linear equations lambda x + y + z = 3 x - y - 2z = 6 -x + y + z = mu has

If the system of simultaneous linear equations x+y+z=a , x-y+bz=2 , 2x+3y-z=1 has infinitely many solutions,then b - 5a=

If the system of simultaneous linear equations x+y+z=a,x-y+bz=2, 2x+3y -z=1 has infinitely many solutions then b-5a=

If the following system of linear equations 2x + y + z = 5 x - y +z = 3 x + y + az = b has no solution, then :

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

Solve the following system of linear equations. x+y+z=3 , y-z=0 , 2x-y=1