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Question

, then the angle between  

Solution

Correct option is

45o

 

We have,

        

  

  

Testing

SIMILAR QUESTIONS

Q1

Let  be three vectors of equal magnitude such that the angle between each pair is  If   

Q2

If , then the value of  is equal to

Q3

Angle between vectors  are unit vectors satisfying 

Q4

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 

Q5

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

Q6

If  are two vectors such that  then angle between 

Q7

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

Q8

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  

Q9

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

Q10

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