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