Question

If  are three vectors such that 

Solution

Correct option is

–7

 

We have,   

           

  

  

  

  

SIMILAR QUESTIONS

Q1

If  are unit vectors, then the greatest value of

Q2

If the unit vectors  are inclined at an angle 2θ such that  then θ lies in the interval 

Q3

Let  be two unit vectors and α be the angle between them, then  is a unit vector, if α =

Q4

If  then the angle between  

Q5

Let  are two vectors inclined at an angle of 60o. If  then the angle between   

Q6

If  are unit vectors such that  is also a unit vector, then the angle between , is

Q7

If  are unit vectors such that 

Q8

If  are unit vectors such that  and  then 

Q9

If  are unit vectors inclined to x-axis at angles 30o and 120o, then  equals

Q10

Let  be three vectors such that  and  If