Q2 of 93 Page 25

If and find the value of

Given and


We need to find the magnitude of the vector.


Recall the cross product of two vectors and is



Here, we have (a1, a2, a3) = (3, 4, 0) and (b1, b2, b3) = (1, 1, 1)






Recall the magnitude of the vector is



Now, we find.





Thus,


More from this chapter

All 93 →
1

If and, find.

 2

If find the magnitude of

3

Find a unit vector perpendicular to both the vectors and

3

Find a unit vector perpendicular to the plane containing the vectors and