Find a normal unit vector to the plane x + 2y + 3z–6 = 0.
The given equation of the plane is x + 2y + 3z–6 = 0
x + 2y + 3z = 6
or, 
where 
……(i)
Now, 
Unit vector to the plane, 
7
Find a normal unit vector to the plane x + 2y + 3z–6 = 0.
The given equation of the plane is x + 2y + 3z–6 = 0
x + 2y + 3z = 6
or,
where ……(i)
Now,
Unit vector to the plane,