Question

Solution

Correct option is

 

Clearly,   

       

SIMILAR QUESTIONS

Q1

Angle between vectors  are unit vectors satisfying 

Q2

The values of ‘a’ for which the points ABC with position vectors  respectively are the vertices of a right angled triangle with C = π/2 are 

Q3

The vectors  are the adjacent sides of a parallelogram. Then, the acute angle between its diagonals is

Q4

If  are two vectors such that  then angle between 

Q5

The values of x for which the angle between the vectors  is acute, and the angle between the vector  and the axis of ordinates is obtuse, are

Q6

The value of x for which the angle between  and  is obtuse and the angle between  and the z-axis is acute and less than π/6, are  

Q7

If  are two unit vectors such that , then the angle between , is 

Q8

, then the angle between  

Q9

If  are unit vectors and θ is the acute angle between them, then  is a unit vector for

Q10

 

For any vector