Mathematics I - Old Questions
Question Answer Details
5. Find a unit vector perpendicular to the plane containing points P(1, -1, 0), Q(2, 1, -1) and R(-1, 1, 2).
Answer
AI Generated Answer
AI is thinking...
Official Answer
The given points P(1, -1, 0), Q(2, 1, -1) and R(-1, 1, 2) lies in the plane PQR.
Accordingly, the vectors 
the plane PQR.
Hence, 
plane PQR.
Finally, the required unit vector will be
Finally, the desired unit vector is
