Home
Class 12
MATHS
veca and vecb are two non collinear vect...

`veca and vecb` are two non collinear vectors then `xveca+yvecb` (where x and y are scalars) represents a vector which is (A) parallel to vecb` (B) `parallel to `veca` (C) coplanar with `veca and vecb` (D) none of these

A

Parallel to `barb`

B

Parallel to `bara`

C

Coplanar with `bara and barb`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

If vecA, vecB and vecC are three vectors, then which of the following is not correct?

The vectors bara and barb are non-collinear The value of x for which the vectors vecc=(x-2)veca+vecb and vecd=(2x+1)veca-vecb are collinear, is

If bara,barb,barc are non-collinear vectors such that for some scalar x,y,z,xbara+ybarb+zbarc=0 , then

If the position vectors of the points A,B,C are bara,barb and 3bara-2barb respectively, then the points A,B,C are: a)Collinear b)Non-collinear c)Forming a right angled triangle d)None of these

Given veca=hati+2hatj and vecb=2hati+hatj what are the magnitudes of the two vectors? Are these two vectors equal?

The unit vector parallel to the resultant of the vectors vecA=4hati+3hatj+6hatk and vecB=-hati+3hatj-8hatk is

If bara,barb are non-collinear vectors and x,y are scalars such that xbara+ybarb=bar0 , then...a)x = 0 , but y is not necessarily zero b)y = 0 , but x is nont necessary zero c)x = 0 , y = 0 d)None of these

The equation 4x^2 + 12xy + 9y^2 + 2gx + 2fy + c =0 will represents two real parallel straight lines. if

The scalar triple product of vectors is zero if______a)One of the vectors is zero vectors b)Any two vectors are non-collinear c)Three vectors are non-coplanar d)All of the above

If bara,barb and barc be three non-zero vectors, no two of which are collinear. If the vectors bara+2barb is collinear with barc and barb+3barc is collinear with bara , then ( lambda being some non-zero scalar) bara+2barb+6barc is equal to: a) lambdabara b) lambdabarb c) lambdabarc d)0