Equation of Plane in 3D

IMPORTANT

Equation of Plane in 3D: Overview

This topic covers concepts, such as, Planes in 3D, Definition of Plane in 3D, Equation of a Plane in General Form & Equation of a Plane in Intercept Form etc.

Important Questions on Equation of Plane in 3D

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 ^ ).

EASY
IMPORTANT

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

EASY
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If the coordinates of point P are 3,2,-1, then find the equation of plane through P at right angle to the line OP, where O is origin.

MEDIUM
IMPORTANT

Let A, B, C be the points 2i^-j^+i^, i^+2j^+k^ and 3i^+j^+2k^ respectively. Find the shortest distance between plane OAC to point B.

MEDIUM
IMPORTANT

If from a point Q lying on plane P in 1st octant the distances of planes x=0, y=0, z=0 are 1,1 & 2 respectively, then vector equation of line passing through origin and parallel to normal vector of plane P is (where, λR)

HARD
IMPORTANT

Let AB=i^+j^-3k^AC=3i^+j^+4k^ and AD=2i^-k^ are three co-terminus edges of a tetrahedron ABCD. If position vector of the centre of tetrahedron is i^+2j^+3k^, then

HARD
IMPORTANT

Let L be the projection of the line x+12=y+23=z+34 on the plane x-2y+3z-4=0. Then the equation of the plane passing through L and parallel to the line x=y=z is

HARD
IMPORTANT

If the volume of a tetrahedron formed by the three coordinate planes and a variable plane is always 4 cubic units, then the locus of the foot of the perpendicular from the origin to this variable plane is x2+y2+z23=kxyz, where k=

EASY
IMPORTANT

Define plane and find distance from 1,2,3 to 2x+3y4=0.

EASY
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Define plane and find distance from 1,2,3 to 3x+2y4=0.

EASY
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Define plane and find distance from 1,2,3 to 2z+x2=0.

EASY
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Define plane and find distance from 1,2,3 to 2x+3z4=0.

EASY
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How a plane is determined in 3D with respect to another plane. Find the distance from 1,2,3 to plane 2x+3y4=0.

EASY
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How a plane is determined in 3D with respect to another plane. Find the distance from 1,2,3 to plane 3x+2y4=0.

EASY
IMPORTANT

Define plane and find distance from 1,2,3 to 2x+3y+4z-5=0.

EASY
IMPORTANT

The equation of the plane passing through (-2,1,3) and having (3,-5,4) as direction ratios of its normal is

EASY
IMPORTANT

The equation of the plane passing through (2,3,4) and perpendicular to X-axis is

EASY
IMPORTANT

Find the constant k so that the planes x-2y+kz=0 and 2x+5y-z=0 are at right angles.

MEDIUM
IMPORTANT

If the foot of the perpendicular from origin to the plane is (1,3,-5) then the equation of the plane is

MEDIUM
IMPORTANT

If the equation of the plane passing through the point (-1, 2, 1) and perpendicular to the line joining the points (-3,1,2) and (2,3,4) is 5x+2y+2z-k=0, then find the value of k.