- Thread starter
- #1
TheBigBadBen
Active member
- May 12, 2013
- 84
This is a question from Yahoo! answers.
The Question:
The Question:
Suppose that we know vectors v ×u= w×u for every three-dimensional vector w . Prove that v = w.
Hint: Choose a few simple vectors
for u and compute the cross products. What does this say about the coordinates of v and
w?