Let be the vector that results from taking the cross product of both and .
Recall that and .
All that remains is to simply use the formula:
I have (what I think is) a relatively simply calculus question: I am trying to find the unit vector u when I know that it is perpendicular to both v=i-2j+3k and w=2i+j-k.
If anyone has any insight, I'd greatly appreciate it. Thanks!