Question
For any vector Vector a find Vector a × Vector a. Explain your result.
Answers
Reiny
If using whichever method you have to find the cross-product,
if you take (a,b,c) x (a,b,c) you will get (0,0,0)
if you take (a,b,c) x (a,b,c) you will get (0,0,0)