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bb"statement-1" " Let " z(1),z(2) " and ...

`bb"statement-1" " Let " z_(1),z_(2) " and " z_(3)` be htree complex numbers, such that `abs(3z_(1)+1)=abs(3z_(2)+1)=abs(3z_(3)+1) " and " 1+z_(1)+z_(2)+z_(3)=0, " then " z_(1),z_(2),z_(3)` will represent vertices of an equilateral triangle on the complex plane.
`bb"statement-2" z_(1),z_(2),z_(3)` represent vertices of an triangle, if
`z_(1)^(2)+z_(2)^(2)+z_(3)^(2)+z_(1)z_(2)+z_(2)z_(3)+z_(3)z_(1)=0`

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