Home
Class 12
MATHS
If veca and vecb are non colinear vector...

If `veca and vecb` are non colinear vectors, then the value of `alpha` for which the vectors `vecu=(alpha-2)veca+vecb and vecv=(2+3alpha)veca-3vecb` are collinear is (A) `3/2` (B) `2/3` (C) `(-3)/2` (D) `(-2)/3`

Promotional Banner

Similar Questions

Explore conceptually related problems

The vectors veca and vecb are non collinear. Find for what value of x the vectors vecc=(x-2)veca+vecb and vecd=(2x+1) veca-vecb are collinear.?

If veca and vecb are non - zero vectors such that |veca + vecb| = |veca - 2vecb| then

If veca and vecb are two non collinear unit vectors and |veca+vecb|= sqrt3 , then find the value of (veca- vecb)*(2veca+ vecb)

If veca and vecb are two non collinear unit vectors and iveca+vecbi=sqrt(3) then find the value of (veca-vecb).(2veca+vecb)

If veca, vecb and vecc are non-coplanar vectors, prove that the four points 2veca+3vecb-vecc, veca-2vecb+3vecc, 3veca+4vecb-2vecc and veca-6vecb+ 6 vecc are coplanar.

Show that the points veca+2vecb+3c-2veca+3vecb+5vecc and 7veca-vecc are colinear.

If veca and vecb are any two unit vectors, then find the greatest postive integer in the range of (3|veca + vecb|)/2+2|veca-vecb|

If veca and vecb are non-collinear vectors and vecA= (p+4q)veca+ (2p+q+1)vecb and vecB= (-2p+q+2)veca+ (2p-3q-1)vecb , and if 3vecA= 2vecB , then determine p and q .

Let veca and vecb be unit vectors such that |veca+vecb|=sqrt3 . Then find the value of (2veca+5vecb).(3veca+vecb+vecaxxvecb)

If veca and vecb are unit vectors such that (veca +vecb). (2veca + 3vecb)xx(3veca - 2vecb)=vec0 then angle between veca and vecb is