If the distance of the point P (1,2,1) from the plane x + 2y - 2z =alpha where alpha> 0, is 5, then the foot o

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Q 1114491359.     If the distance of the point P (1,2,1) from the plane x + 2y - 2z =alpha where alpha> 0, is 5, then the foot of the perpendicular to the plane is
NICL-GIC 2010
A

(4/3, 4 /3, 1/3)

B

 (1/3, 2/3, 10/3)

C

(2/3, 1/3, 5/2)

D

(8/3, 4/3, -7/3)

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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