Position vector \( \mathbf{r} \) of a particle \( P \) located in a plane with reference to the ...

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Position vector \( \mathbf{r} \) of a particle \( P \) located in a plane with reference to the origin of an \( x y \)-plane as shown in the figure below is given by
(a) \( 2 \hat{\mathbf{i}}+4 \hat{\mathbf{j}} \)
(b) \( 4 \hat{\mathbf{i}}+2 \hat{\mathbf{j}} \)
(c) \( 6 \hat{\mathbf{k}} \)
(d) \( \hat{\mathbf{i}}+\hat{\mathbf{j}}+4 \hat{\mathbf{k}} \)
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