Linearly Dependent and Independent Vectors

IMPORTANT

Linearly Dependent and Independent Vectors: Overview

This topic covers concepts such as Linear Combination of Vectors, Fundamental Theorem in Plane, Fundamental Theorem in Space, Linear Independent and Dependent Vectors, Condition for Linear Independence of Vectors, and Solving Vector Equations.

Important Questions on Linearly Dependent and Independent Vectors

HARD
IMPORTANT

If x,y are two non-zero and non-collinear vectors satisfying a-2α2+b-3α+cx+a-2β2+b-3β+cy+a-2γ2+b-3γ+cx×y=0 ​

where α,β,γ are three distinct real numbers, then find the value of a2+b2+c2

EASY
IMPORTANT

If xa+yb+zc=0, where a,b,c are non-coplanar, then x,y,z=

EASY
IMPORTANT

If two of the three vectors a, b, c are units vectors such that a+b+c=0 and 2a·b+b·c+c·a+3=0, then the length of the third vector is

EASY
IMPORTANT

If the vectors a+1343b+c, -a+b+c and a+μb+2c are linearly dependent then μ=

EASY
IMPORTANT

The vectors 2i¯-3j¯+4k¯, i¯-2j¯+3k¯, 3i¯+j¯-2k¯ are

MEDIUM
IMPORTANT

Let a=j^k^ and c=i^j^k^. Then the vector b satisfying a×b+c=0 and a·b=3 is

EASY
IMPORTANT

State fundamental theorem of space curves. Find the distance of plane 2x+3y-4=0 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of space curves. Find the distance of plane 3x+2y-4=0 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of space curves. Find the distance of plane 2z+x-2=0 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of space curves. Find the distance of plane 4x+2z=1 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of plane curves. Find the distance of plane 2x+3y-4=0 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of plane curves. Find the distance of plane 3x+2y-4=0 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of plane curves. Find the distance of plane 2z+x=2 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of plane curves. Find the distance of plane 4x+2z=1 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of plane curves. Find the distance of plane 2x+3z=4 from point 1,2,3.

EASY
IMPORTANT

State fundamental theorem of space curves. Find the distance of plane 2x+3z=4 from point 1,2,3.

EASY
IMPORTANT

Let u and v be non-collinear vectors in R2. Let w be the orthogonal projection vector of u on v. Consider two statements:
(i) Any vector in R2 can be written as a linear combination of u and v
(ii) w can be written as a linear combination of u and v as w=a u+b v where both aand b are nonzero real numbers.

MEDIUM
IMPORTANT

If the vectors x and y are two non-collinear vectors and a triangle ABC with side lengths a, b, c satisfying the equation 

(20a-15b)x+(15b-12c)y+(12c-20a)(x×y)=0 Then the triangle ABC is 

MEDIUM
IMPORTANT

Let PQRS be a quadrilateral. If M and N are midpoints of the sides PQ and RS respectively then PS + QR =

HARD
IMPORTANT

Four vectors a, b, c and x satisfy the relation a·xb=c+x where b·a1. The value of x in terms of a, b and c will be equal to