Saved Bookmarks
| 1. |
Let vec(a) , vec(b),vec(c) be vectors of length 3,4,5 respectively. Let vec(a) be perpendicular to vec(b)+ vec(c), vec(b)tovec(c) + vec(a)and vec(c)to vec(a) + vec(b) . Then |vec(a) + vec(b) + vec(c)|. |
|
Answer» `2sqrt(5)` |
|