Saved Bookmarks
| 1. |
If a,b,c,d are four vectors, then prove that (a×b).(c×d)+(b×c).(a×d)+(c×a).(b×d)=0 |
|
Answer» If a,b,c,d are four vectors, then prove that (a×b).(c×d)+(b×c).(a×d)+(c×a).(b×d)=0 |
|