" Consider three planes "2x+py+6z=8,x+2y+qz=5" and "x+y+3z=4

Consider three planes 2x + py + 6z = 8 ,8x + 2y + qz = 5 and x + y + 3z =4 Three planes intersect at a point if

Consider three planes 2x+ py + 6z=8 x+2y+qz=5 x+y+3z=4 Three planes intersect at a point if __

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.

Consider the planes 2x+y-2z=5 and 3x-6y-2z=7 Find the angle between these two planes.

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