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Question 3:
Find the Cartesian equation of the following planes:
(a) 
(b) 
(c) 
(a) It is given that equation of the plane is
For any arbitrary point P (x, y, z) on the plane, position vector 
is given by, 
Substituting the value of in equation (1), we obtain
This is the Cartesian equation of the plane.
(b) 
For any arbitrary point P (x, y, z) on the plane, position vector is given by,
Substituting the value of in equation (1), we obtain
This is the Cartesian equation of the plane.
(c) 
For any arbitrary point P (x, y, z) on the plane, position vector is given by,
Substituting the value of in equation (1), we obtain
This is the Cartesian equation of the given plane.
