We can denote the vectors as $\vec{OP}$ and $\vec{OQ}$, where $O$ is the origin. The vector $\vec{OP}$ is obtained by subtracting the coordinates of $O$ from $P$, which gives us $\vec{OP} = (2,4,6) - (0,0,0) = (2,4,6)$. Similarly, $\vec{OQ} = (3,5,7) - (0,0,0) =
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