Thread: Vectors in space

I understand the first 2 steps, but not the last.

note that

Originally Posted by skeeter

note that

Why do you have to do that kind of a transformation? Why can't I leave it at the second step?

I don't think it was a step ... all three vector equations yield the same result.

I guess it's the "Kumon" way of showing you that there's more than one road to get to Dallas.

note that the last expression should be ...

Originally Posted by skeeter

note that the last expression should be ...

Well, the solution book says .

Anyway,