Question

If OACB is a parallelogram with 

Solution

Correct option is

 

In ∆OAC, we have 

    

                                                  

SIMILAR QUESTIONS

Q1

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 

Q2

 

If (xyz) ≠ (0, 0, 0) and  

 then the values of a are

Q3

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?

Q4

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

Q5

In a regular hexagon ABCDEF, Then   

Q6

If ABCDEF is a regular hexagon, then  equals 

Q7

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

Q8

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

Q9

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

Q10

If G is the intersection of diagonals of a parallelogram ABCD and O is any point, then