The vectors `vec(AB)=3hati+2hat+2hatk and vec(BC)=-hati-2hatk` are the adjacent sides of parallelogram. The angle between its diagonal is (A) `pi/3` (B) `pi/4` (C) `(3pi)/4` (D) (2pi)/3`

The vectors veca=3hati-2hatj+2hatkandvecb=-hati-2hatk are the adjacent sides of a paralleogram. The angle between its diagonals is……. .

The vectors AB=3hat i-2hat j+2hat k and vec BC=-hat i+2hat k are the adjacent sides of a parallelogram ABCD then the angle between the diagonals is

The vactors veca = 3hati -2hati + 2hatk and vecb =- hati -2hatk are the adjacent sides of a parallelogram. Then , the acute angle between veca and vecb is

The vectors vec a=3vec o-2vec j+2vec k and vec b=-vec i-2vec k are adjacent side of a parallelogram.Then angle between its diagonals is (pi)/(4) (b) (pi)/(3)(c)(3 pi)/(4) (d) (2 pi)/(3)

The angle between the vectors vec(P)=3hati+hatj+2hatkandvecQ=hati-2hatj+3hatk is

Prove that the vectors vec(A) = hati +2 hatj +3hatk and vec(B) = 2hati - hatj are perpendicular to each other.

Let hat a and hat b be two unit vectors. If the vectors vec c= hat a+2 hat b""a n d"" vec d=5 hat a-4 hat b are perpendicular to each other, then the angle between hat a and hat b is (1) pi/6 (2) pi/2 (3) pi/3 (4) pi/4

If vec A=hati +7hatj +hatk and vec B =2 hati+3hatj +4hatk then the component of vec A along vec B is

Let vecA be a vector parallel to the of intersection of planes P_1 and P_2 through origin. P_1 is parallel to the vectors 2hatj+3hatk and 3hatj-3hatk and P_2 is parallel to hatj-hatk and 3hati+3hatj then the angle between the vectors vecA and 2hati+hatj-2hatk is (A) pi/2 (B) pi/4 (C) pi/6 (D) (3pi)/4