Show that the normal to the following planes are perpendicular to each other. `x-y+z-2=0\ a n d\ 3x+2y-z+4=0`

Prove tht the normals to the planes 4x+11y+2z+3=0 and 3x-2y+5z=8 are perpendicular to each other.

Show that the following planes are at right angle: x-2y+4z=10\ a n d\ 18 x+17 y+4z=49.

Show that the following planes are at right angle: x-2y+4z=10\ a n d\ 18 x+17 y+4z=49.

Show that the lines x=-y =2z " and " x+2 =2y -1 =-z +1 are perpendicular to each other .

Find the equation of the plane passing through the point (1, 3, 2) and perpendicular to each of the planes : x+2y+3z=5\ a n d\ 3x+3y+z=0

Find the equation of the plane passing through the point (-1,3,2) and perpendicular to each of the planes x+2y+3z=5a n d3x+3y+z=0.

Find the equation of the plane passing through the point (-1,3,2) and perpendicular to each of the planes x+2y+3z=5a n d3x+3y+z=0.

Prove that the plane 2x+3y-4z=9 is perpendicular to each of the planes x+2y+2z-7=0 and 5x+6y+7z=23 .

Equation of the plane passing through the point (1,1,1) and perpendicular to each of the planes x+ 2y+3z-7=0 and 2x-3 y+4 z=0 is