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Question

Let A vector  satisfying 

Solution

Correct option is

 

We have,   

           

  

  

SIMILAR QUESTIONS

Q1

If  are the position vectors of the vertices ABC of a triangleABC, then the area of triangle ABC is  

Q2

If , then the length of the perpendicular from A to the line BC is 

Q3

The perpendicular distance of the point  from the line joining 

Q4

If the diagonals of a parallelogram are represented by the vectors , then its area in square units is

Q5

If  are three vectors such that  then

Q6

Let  be unit vectors such that . Which one of the following is correct?

Q7

Let  be a unit vector perpendicular to unit vectors  and if the angle between  is α, then  is

Q8

If the vectors  are such that  form a right handed system, then  is

Q9

If the area of a parallelogram whose diagonals coincide with the following pair of vectors is , then vectors are

Q10

Vectors  are inclined at an angle θ = 60o.