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    				| 1. | Giventhat ` -> adot -> b=0`and ` -> axx -> b= ->0`.What can you conclude about the vectors ` -> a`and ` -> b`. | 
| Answer» Correct Answer - `vec(a)=vec(0) or vec(b)=vec(0)` `(vec(a)xxvec(b)=vec(0) and vec(a).vec(b)=0)` only when `vec(a)=vec(0) or vec(b)=vec(0)`. | |