Why Kaysons ?

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

SPEAK TO COUNSELLOR ? CLICK HERE

Question

In a regular hexagon ABCDEF, Then   

Solution

Correct option is

 

We have,   

      

  

In ∆ACD, we have

       

  

In ∆AED, we have  

       

SIMILAR QUESTIONS

Q1

 

Consider points ABC and D with position vectors 

 respectively. Then, ABCD is a   

Q2

If the vectors  are the sides of a âˆ†ABC, then length of the median through A is 

Q3

The sides of a parallelogram are  then the unit vector parallel to one of the diagonals is 

Q4

If the points  are collinear, where  are three non-coplanar vectors, the value of t is 

Q5

A vector coplanar with vectors  and parallel to the vector  

Q6

Let the coordinates of a point P with respect to a system of non-coplanar vectors  be (3, 2, 1). Then, the coordinates of P with respect to the system of vectors  and 

Q7

 

If (xyz) ≠ (0, 0, 0) and  

 then the values of a are

Q8

The vector  lies in the plane of the vectors  bisects the angle between . Then , which one of the following gives the possible values of α and β?

Q9

If  are vectors forming consecutive sides of a regular hexagonABCDEF, then representing side CD is  

Q10

If ABCDEF is a regular hexagon, then  equals