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
2
(B) 2
(C) 2 (D) 2 2

Question

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
2
(B)  2
 (C) 2  (D)  2 2

anonymous · Answer

did you try drawing a picture?

anonymous · Answer

nope.........cant u draw it in ur mind?

anonymous · Answer

my mind exploded. i'll just have to draw it.

anonymous · Answer

|dw:1336463094813:dw| is that something like it? somehow. .. .