Question

ABCD is a parallelogram with AC and BD as diagonals. Then,   

Solution

Correct option is

 

  

In ∆ABC, we have

      

In ∆ABD, we have   

       

SIMILAR QUESTIONS

Q1

A vector coplanar with vectors  and parallel to the vector  

Q2

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 

Q3

 

If (xyz) ≠ (0, 0, 0) and  

 then the values of a are

Q4

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?

Q5

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

Q6

In a regular hexagon ABCDEF, Then   

Q7

If ABCDEF is a regular hexagon, then  equals 

Q8

If  are the position vectors of points ABCD such that no three of them are collinear and  then ABCD is a 

Q9

ABCDEF is a regular hexagon with centre at the origin such that  Then, λ equals 

Q10

If OACB is a parallelogram with