The equation of a plane ∏ is given by
2x + y – 2z = 8.
Find a unit normal for ∏ (by a unit normal, we mean a normal vector that has length 1).
The equation of a plane ∏ is given by
2x + y – 2z = 8.
Find a unit normal for ∏ (by a unit normal, we mean a normal vector that has length 1).