Vectors `vec a, vec b` are noncollinear. Find x so that the vectors `(x-1)veca + vec b` and `(2+3x)vec a - 2 vec b` are collinear.

Vectors vec a and vec b are non-collinear.Find for what value of n vectors vec c=(n-2)vec a+vec b and vec d=(2n+1)vec a-vec b are collinear?

If vec a , vec b , vec c are three non-zero vectors (no two of which are collinear), such that the pairs of vectors (vec a + vec b, vec c) and (vec b + vec c , vec a) are collinear, then vec a + vec b + vec c =

If vec a and vec b are two non collinear unit vectors such that |vec a+vec b|=3, find (2vec a-5vec b)3vec a+vec b

If vec a and vec b are non-collinear vectors,find the value of x for which the vectors vec alpha=(2x+1)vec a-vec b and vec beta=(x-2)vec a+vec b are collinear.

Two vectors vec(a) and vec(b) are non-zero and non-collinear. What is the value of x for which the vectors vec(p)(x-2)vec(a)+vec(b) and vec(q)=(x+1)vec(a)-vec(b) are collinear?

If vec a and vec b are non-collinear unit vectors and |vec a+vec b|=sqrt(3) then (2vec a+5vec b)*(3vec a-vec b)=

Let vec a and vec b are non collinear vectors.If vectors vec alpha=(lambda-2)vec a+vec b and vec beta=(4 lambda-2)vec a+3vec b are collinear,then lambda is equal to (a)-4(b)4(c)2(d)-2

If vec a and vec b are non-collinear vectors,then the value of x for which vectors vec alpha=(x-2)vec a+vec b and vec beta=(3+2x)vec a-2vec b are collinear,is given by

If vec a and vec b are non-collinear vectors,then the value of x for which vectors rarrvec alpha=(x-2)vec a+vec b and vec beta=(3+2x)vec a-2vec b are collinear,is given by (i) (1)/(2)(iii)(1)/(4)(iii)0(iv)-1

vec a,vec b,vec c are three vectors of which every pair is non-collinear.If the vectors vec a+2vec b and vec b+3vec c are collinear with vec c and vec a respectively then vec a+2vec b+6vec c is