If The Diagonals Of A Parallelogram Are Represented By The Vectors , Then Its Area In Square Units Is

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Question

If the diagonals of a parallelogram are represented by the vectors , then its area in square units is

Solution

Correct option is

 

 Then,   

       

  

Testing

SIMILAR QUESTIONS

Q1

A unit vector perpendicular to the plane of  and  is 

Q2

The number of vectors of unit length perpendicular to the vectors  

Q3

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

Q4

 is a unit vector such that 

Q5

 then a unit vector normal to the vectors  

Q6

A unit vector perpendicular to both 

Q7

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

Q8

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

Q9

The perpendicular distance of the point  from the line joining 

Q10

If  are three vectors such that  then