A) \[\hat{i}\]
B) \[\hat{j}\]
C) \[\hat{k}\]
D) \[\hat{i}+\hat{j}\]
E) none of these
Correct Answer: A
Solution :
\[\because \]\[\overrightarrow{a}.\hat{i}=1\] \[\Rightarrow \]\[\overrightarrow{a}\]is parallel to\[\hat{i}\] \[\therefore \] \[\overrightarrow{a}=\hat{i}\]You need to login to perform this action.
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