Foot of Perpendicular of a Point on a Line
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Find the co-ordinates of the foot of perpendicular drawn from the point A (1, 8, 4) to the line joining the points B (0, -1, 3) and C (2, -3, -1)
(−53, 23, 193)
- (2, −3, −1)
- (1, −2, 1)
- (12, −32, 2)
Find the co-ordinates of the foot of perpendicular drawn from the point A (1, 8, 4) to the line joining the points B (0, -1, 3) and C (2, -3, -1)
(−53, 23, 193)
- (2, −3, −1)
- (1, −2, 1)
- (12, −32, 2)
Let the foot of the perpendicular of P(2, −3, 1) on the line
x+12=y−33=z−2−1 be Q.
If direction ratios of the line segment joining P and Q be l, m, n, then which of the following relations are correct ?
2l+3m+n=1
2l+3m−n=0
l2=m3=n−1
l2=m3=n1
- (5, 7, 1)
- (53, 73, 173)
- (23, 53, 73)
- (53, 23, 73)
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
1√2
√2
2
2√2
Let the foot of the perpendicular of P(2, −3, 1) on the line
x+12=y−33=z−2−1 be Q.
If direction ratios of the line segment joining P and Q be l, m, n, then which of the following relations are correct ?
2l+3m+n=1
2l+3m−n=0
l2=m3=n−1
l2=m3=n1
- (1, 2, −3)
- (12, 1, −32)
- (2, 4, −6)
- (2, 3, 6)
- (3, 2, –1)
- (–2, 3, 4)
- (2, –1, 3)
- (2, 3, –1)
- (–2, 3, 4)
- (2, –1, 3)
- (2, 3, –1)
- (3, 2, –1)