If `vec a,vec b` and `vec c` are the position vectors of the points `A(2,3,-4),B(3,-4,-5)` and `C(3,2,-3)` respectively,then `|vec a+vec b+vec c|` is equal to

If vec (a),vec (b) and vec (c) are the position vectors of the points A(2,3,-4), B(3,-4,-5) and C(3,2,-3) respectively ,then |vec(a)+vec(b)+vec(c)| is equal to (A) sqrt(113) (B) sqrt(185) (C) sqrt(203) (D) sqrt(209)

If the position vectors of the points A(3,4),B(5,-6) and (4,-1) are vec a,vec b,vec c respectively compute vec a+2vec b-3vec c

If vec a,vec b,vec c are the position vectors of points A,B,C and D respectively such that (vec a-vec d)*(vec b-vec c)=(vec b-vec d)*(vec c-vec a)=0 then D is the

If vec a,vec b,vec c and vec d are the position vectors of the points A,B,C and D respectively in three dimensionalspace no three of A,B,C,D are collinear and satisfy the relation 3vec a-2vec b+vec c-2vec d=0, then

If vec(b) and vec(c) are the position vectors of the points B and C respectively, then the position vector of the point D such that vec(BD) = 4 vec(BC) is

If vec(b) and vec(c ) are the position vectors of the points B and C respectively, then the position vector of the point D such that vec(BD)= 4 vec(BC) is

If vec(a),vec(b),vec(c) are the position vectors of the points A, B, C respectively such that 3vec(a)+5vec(b)=8vec(c) then find the ratio in which C divides AB.

Let vec a,vec b and vec c be three vectors having magnitudes 1,5 and 3, respectively,such that the angel between vec a and vec b is theta and vec a xx(vec a xxvec b)=c. Then tan theta is equal to a 0 b.2/3 c.3/5 d.3/4

The position vector of A,B are vec a and vec b respectively.The position vector of C is (5(vec a)/(3))-vec b then