Complex NumbersHard
Question
Let z, ωz and z + ωz represent three vertices of ᐃABC, where ω is cube root unity, then -
Options
A.centroid of ᐃABC is 
(z + ωz)
(z + ωz)B.orthocenter of ᐃABC is (z + ωz)
(z + ωz)C.ABC is an obtuse angled triangle
D.ABC is an acute angled triangle
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