Question

 unit vectors such that , then the value of  

Solution

Correct option is

 

We have,   

            

  

.

SIMILAR QUESTIONS

Q1

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

Q2

If  are three non-zero vectors, no two of which are collinear and the vector  is collinear with  is collinear with , then  

Q3

If points  are collinear, then a is equal to 

Q4

 The vector  bisecting the angle AOB and C being a point on the line AB is  

Q5

If the vector  bisects the angle between the vector  and the vector  then the unit vector in the direction of  is 

Q7

 and a point P on the line segment BC is equidistant from AB and AC, then  is  

Q8

The vector , directed along the internal bisector of the angle between the vectors  with , is  

Q9

 are three non-zero vectors which are pair wise non-collinear. If  is collinear with  is collinear with  is:    

Q10

If  are unit vectors, then the greatest value of