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Let S={z in CC-{i-2i}:(z^2+8iz-15)/(z^2-...

Let `S={z in CC-{i-2i}:(z^2+8iz-15)/(z^2-3iz-2) in RR}`.If `alpha-13/11i in S, alpha in RR-{0}`, then `242 alpha^2` is equal to _______.

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