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The point P is the intersection of the s...

The point P is the intersection of the straight line joining the points `Q(2,3,5)` and `R(1,-1,4)` with the plane `5x - 4y -z = 1`. If S is the foot of the perpendicular drawn from the point `T(2,1,4)` to QR, then the length of the line segment PS is (A) `1/sqrt2` (B) `sqrt2` (C) ` 2` (D) `2sqrt2`

A

`1//sqrt(2)`

B

`sqrt(2)`

C

2

D

`2sqrt(2)`

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A
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