Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Mathematics Three Dimensional Geometry Angle with Planes
If the two planes ax + by + cz + d = 0 and px + qy + rz + s = 0 are perpendicular then
1
ap + qb + cr + ds = 0
2
ap + qb + cr + ds = 1
3
ap + qb + cr = 0
4
ap + qb + cr = 1
5
Not Attempted