If the position vector of a point `(-4,\ -3)b e\ vec a ,\ `find`\ | vec a|dot`

If the position vector of a point (-4,-3) be vec a, find |a|

If the position vector of a point A is vec a + 2 vec b and vec a divides AB in the ratio 2:3 , then the position vector of B, is

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) position vector of a point (1, -3) and A is another point (-1,5) then what are the coordinates of the point B such that vec(AB)= vec(a) ?

Find the position vector of the point which divides 2vec a-3vec b and 3vec a-2vec b in the ratio 2:3

If the position vector of these points are vec(a) -vec(b)+3 vec(c ), 2 vec(a)+3vec(b)-4 vec( c) ,-7 vec(b) + 10 vec(c ) , then the three points are

If vec(a) is a position vector of a point (1, -3) and A is another point (-1, 5), then what are the coordinates of the point B such that vec(AB)=vec(a) ?

Write the position vector of the point where the line vec r= vec a+lambda vec b meets the plane vec r dot (vec n)=0.

If vec a,vec b are the position vectors of the points (1,-1),(-2,m), find the value of m for which vec a and vec b are collinear.

Let ABC be a triangle whose circumcentre is at P. If the position vectors of A, B, C and P are vec(a) , vec(b) , vec(c ) and (vec(a) + vec(b) + vec(c ))/(4) respectively, then the position vector of the orthocentre of this triangle is