If `4i+7j+8k` ,`2i+3j+4k` and `2i+5j+7k` are the position vectors of the vertices A,B and C of triangle ABC ,The position vector of the point where the bisector of `/_A` meets BC is

If 4vec i+7vec j+8vec k,2vec i+3vec j+4vec k and 2vec i+5vec j+7vec j are the position vectors of the vertices of A,B and C of a triangle ABC, then the position vector of the point where the bisector of /_A meets BC

If 4 hati + 7 hat j + 8 hatk, 2 hati +3 hatj + 4 hatk and 2 hati + 5 hatj + 7 hatk are the position vectors of the vertices A, B and C respectively of triangle ABC . The position vector of the point where the bisector of angle A meets BC, is

If 4 hat i+7 hat j+8 hat k ,2 hat i+3 hat j+24a n d2 hat i+5 hat j+7 hat k are the position vectors of the vertices A ,Ba n dC , respectively, of triangle A B C , then the position vecrtor of the point where the bisector of angle A meets B C is a. 2/3(-6 hat i-8 hat j- hat k) b. 2/3(6 hat i+8 hat j+6 hat k) c. 1/3(6 hat i+13 hat j+18 hat k) d. 1/3(5 hat j+12 hat k)

In the points whose position vectors are i+j-2k and i-3j+k. The position vector of a point on it at a unit distance from the first point is

The positon vector of the centroid of the triangle ABC is 2i+4j+2k . If the position vector of the vector A is 2i+6j+4k., then the position vector of midpointof BC is (A) 2i+3j+k (B) 2i+3jk (C) 2i-3j-k (D) -2i-3j-k

Find the area of the triangle, the position vectors of whose vertices are a=i-2j+3k, b=j-k" and "c=2i+j

vec i + vec j + vec k, 4vec i + vec j + vec k, vec 4 + 5vec j + k Then the position vector of the circumcentre of the Delta ABC is