Q25 of 46 Page 215

The vectors from origin to the points A and B are and respectively, then the area of triangle OAB is

Given that, vector from origin to the point A, and vector from origin to the point B, .


Area of Δ OAB =


=


=


=


=


=


=


=

More from this chapter

All 46 →
23

Find the value of λ such that the vectors and are orthogonal

 24

The value of λ for which the vectors and are parallel is

 26

For any vector , the value of is equal to

 27

If and then value of is