Question

If , then the length of the perpendicular from A to the line BC is 

Solution

Correct option is

 

We have,   

Also,

  

SIMILAR QUESTIONS

Q1

 

For any vector   

                

Q2

 is equal to 

Q3

A unit vector perpendicular to the plane of  and  is 

Q4

The number of vectors of unit length perpendicular to the vectors  

Q5

A unit vector making an obtuse angle with x-axis and perpendicular to the plane containing the points  also makes an obtuse angle with

Q6

 is a unit vector such that 

Q7

 then a unit vector normal to the vectors  

Q8

A unit vector perpendicular to both 

Q9

If  are the position vectors of the vertices ABC of a triangleABC, then the area of triangle ABC is  

Q10

The perpendicular distance of the point  from the line joining