Question

If points  are collinear, then a is equal to 

Solution

Correct option is

–40 

 

It is given that points AB and C are collinear.

  

  

  

  

SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

If OACB is a parallelogram with 

Q4

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

Q5

Let G be the centroid of âˆ† ABC. If  in terms of , is    

Q6

 

The position vectors of the points ABC are ,

 respectively. These points

Q7

If the points with position vectors  are collinear, then p = 

Q8

If the position vector of a point A is  divides AB in the ratio 2 : 3, then the position vector of B is   

Q9

If  are three non-zero vectors, no two of which are collinear and the vector  is collinear with  is collinear with , then  

Q10

 The vector  bisecting the angle AOB and C being a point on the line AB is