Perpendicular Distance of a Point from a Plane
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Q.
The equation of the line parallel to the line and passing through the middle point of the line segment joining the points and , is:
Q. If P1 and P2 are the lengths of the perpendiculars from the points (2, 3, 4) and (1, 1, 4) respectively from the plane 3x-6y+2z+11 =0, then P1 and P2 are the roots of the equation
- P2−23P+7=0
- 7P2−23P+16=0
- P2−17P+16=0
- P2−16P+7=0
Q. Let F be the foot of perpendicular from P(1, 2, −3) on the line L:x+12=y−3−2=z−1. Given Q(x1, y1, z1) and R(x2, y2, z2) are points at a distance of 3 units from F on line L. Let π1 and π2 be two planes passing through Q and R respectively and perpendicular to the line of intersection of the planes 9x−7y+6z+48=0 and x+y−z=7. Then which of the following statements is (are) CORRECT?
- The coordinates of F are (1, 1, −1)
- The value of 2∑i=1(x2i+y2i+z2i) equals 24
- The distance between planes π1 and π2 equals 88√482
- The normal vector of planes π1 and π2 is parallel to the vector ^i+15^j+16^k.
Q.
A plane passes through (1, -2, 1) and is perpendicular to two planes 2x−2y+z=0 and x−y+2z=4, then the distance of the plane form the point (1, 2, 2) is
0
1
√2
2√2
Q.
A plane passes through (1, -2, 1) and is perpendicular to two planes 2x−2y+z=0 and x−y+2z=4, then the distance of the plane form the point (1, 2, 2) is
0
1
√2
2√2
Q. Given →α=3^i+^j+2^k and →β=^i−2^j−4^k are the position vectors of the points A and B. Then the distance of the point −^i+^j+^k from the plane passing through B and perpendicular to AB is
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- 20
Q. A rod of length 2 units whose one end is (1, 0, −1) and other end touches the plane x−2y+2z+4=0. Then
- the rod sweeps a figure whose volume is π cubic units.
- the area of the figure which the rod traces on the plane is 2π units.
- the length of projection of the rod on the plane is √3 units.
- the centre of the region which the rod traces on the plane is (23, 23, −53)
Q. Given →α=3^i+^j+2^k and →β=^i−2^j−4^k are the position vectors of the points A and B. Then the distance of the point −^i+^j+^k from the plane passing through B and perpendicular to AB is
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- 15
- 20