If \( z_{1}(r=1,2, \ldots 6) \) are the vertices of a regular hexagon, if \( \sum_{r=1}^{6} z_{r... VIDEO
If \( z_{1}(r=1,2, \ldots 6) \) are the vertices of a regular hexagon, if \( \sum_{r=1}^{6} z_{r}^{2}=\beta z_{0}^{2} \), where \( z_{0} \) is the circumcentre. then \( \beta \)
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