Q18 of 93 Page 25

If , then write the value of .

So we have and in order to find we need to work out the problem by finding cross product through determinant.




→


Now then,


→ From (1)



More from this chapter

All 93 →
16

Write a unit vector perpendicular to and.

 17

If and , find .

[Correction in the Question – should be or else it’s not possible to find the value.]


19

If and are unit vectors such that is also a unit vector, find the angle between and .

 20

If and are two vectors such that , write the angle between and .