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Mathematics
Problem
If complex numbers
2
i
2i
2
i
,
5
+
i
5+i
5
+
i
and
4
4
4
represent points A, B and C respectively, then centroid of
Δ
A
B
C
\Delta ABC
Δ
A
B
C
is- (1)
2
+
i
2+i
2
+
i
(2)
1
+
3
i
1+3i
1
+
3
i
(3)
3
+
i
3+i
3
+
i
(4)
3
−
i
3-i
3
−
i
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