Equation of a Plane and Related Concepts

IMPORTANT

Equation of a Plane and Related Concepts: Overview

This Topic covers sub-topics such as Planes in 3D, Equation of Plane in 3D, Equation of a Plane in Normal Form, Equation of Plane in Vector Form and, Equation of a Plane in Intercept Form

Important Questions on Equation of a Plane and Related Concepts

EASY
IMPORTANT

The equation of the plane passing through the line of intersection of the planes   r ( i ^ + j ^ + k ^ )=1and r (2 i ^ +3 j ^ k ^ )+4=0  and parallel to x-axis is 

MEDIUM
IMPORTANT

The equation of plane passing through the point P(1, 1, 1) and containing the line r=(3i^+j^+5k^)+λ(3i^j^5k^) would be.

Also, show that the plane contains the line  r =( i ^ +2 j ^ +5 k ^ )+μ( i ^ 2 j ^ 5 k ^ ).

HARD
IMPORTANT

The coordinates of the foot the perpendicular and the perpendicular distance of the point P(3,2,1) from the plane 2xy+z+1=0 would be

HARD
IMPORTANT

The equation of the plane passing through the points  P(1,1,2) and Q(2,2,2) and perpendicular to the plane   6x2y+2z=9.

EASY
IMPORTANT

The points A (2, 3, -4), B (1, -2, 3) and C (3, 8, -11) are collinear. then?

MEDIUM
IMPORTANT

Let the line L:x=1-y-2=z-3λ,λ meet the plane P: x+2 y+3 z=4 at the point (α,β,γ). If the angle between the line L and the plane P is cos-1514, then α+2β+6γ is equal to

MEDIUM
IMPORTANT

Let N be the foot of perpendicular from the point P(1,-2,3) on the line passing through the points (4,5,8) and (1,-7,5). Then the distance of N from the plane 2x-2y+z+5=0 is

MEDIUM
IMPORTANT

The line, that is coplanar to the line x+3-3=y-11=z-55, is

MEDIUM
IMPORTANT

Let the line passing through the points P2,-1,2 and Q5,3,4 meet the plane x-y+z=4 at the point R. Then the distance of the point R from the plane x+2y+3z+2=0 measured parallel to the line x-72=y+32=z-21 is

MEDIUM
IMPORTANT

Let P be the plane passing through the points 5,3,0,13,3,-2 and 1,6,2. For α, if the distance of the points A3,4,α and B2,α,a from the plane P are 2 and 3 respectively, then the positive value of a is

HARD
IMPORTANT

Let the line x1=6-y2=z+85 intersect the lines x-54=y-73=z+21  and x+36=3-y3=z-61 at the points A and B respectively. Then the distance of the mid-point of the line segment AB from the plane 2x-2y+z=14 is

HARD
IMPORTANT

Let the plane P contain the line 2x+y-z-3=0=5x-3y+4z+9 and be parallel to the line x+22=3-y-4=z-75. Then the distance of the point A8, -1, -19 from the plane P measured parallel to the line x-3=y-54=2-z-12 is equal to _________.

HARD
IMPORTANT

Let the foot of perpendicular from the point A4,3,1 on the plane P: x-y+2z+3=0 be N. If B(5,α,β),α,β is a point on plane P such that the area of the triangle ABN is 32, then α2+β2+αβ is equal to _____________

MEDIUM
IMPORTANT

If the equation of the plane that contains the point (-2,3,5) and is perpendicular to each of the planes 2x+4y+5z=8 and 3x-2y+3z=5 is αx+βy+γz+97=0 then α+β+γ=

MEDIUM
IMPORTANT

Let the system of linear equations

x+2y-9z=7

-x+3y+7z=9

-2x+y+5z=8

-3x+y+13z=λ

has a unique solution x=α, y=β, z=γ. Then the distance of the point α, β, γ from the plane 2x-2y+z=λ is

MEDIUM
IMPORTANT

Let the equation of plane passing through the line of intersection of the planes x+2y+az=2 and xy+z=3 be 5x11y+bz=6a1. For c, if the distance of this plane from the point a,c,c is 2a, then a+bc is equal to

MEDIUM
IMPORTANT

Let the foot of perpendicular of the point P3, 2, 9 on the plane passing through the points 1, 2, 3, 9, 3, 4, 9, 2, 1 be Qα, β, γ. Then the distance Q from the origin is

HARD
IMPORTANT

Let λ1, λ2 be the values of λ for which the points 52,1, λ and -2, 0, 1 are at equal distance  from the plane 2x+3y-6z+7 If λ1>λ2

then the distance of the point λ1-λ2,λ2,λ1 from the line x-51=y-12=z+72 is ______

HARD
IMPORTANT

For a,bZ and |a-b|10, let the angle between the plane P: a x+y-z=b and the line L: x-1=a-y=z+1 be cos-113 If the distance of the point (6,-6,4) from the plane P is 36, then a4+b2 is equal to

EASY
IMPORTANT

Given x+3-3=y-22=z-55. Which of the following lines in options is coplanar with the given line?