If the foot of the perpendicular drawn from (-2, 1, 0) on a plane is (1, -2, 1), then the equation of the plane is

If the foot of the perpendicular drawn from (-2, 1, 0) on a plane is (

1.	If the foot of the perpendicular drawn from (-2, 1, 0) on a plane is (1, -2, 1), then the equation of the plane is
A.	3x + 3y + z = 10
B.	3x + 3y - z = 10
C.	3x - 3y + z = 10
D.	3x - 3y - z = 10
Answer» D. 3x - 3y - z = 10

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If the foot of the perpendicular drawn from (-2, 1, 0) on a plane is (1, -2, 1), then the equation of the plane is

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