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AP EAMCET Engineering 2015 Code A Paper
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© examsnet.com
Question : 8
Total: 160
If 'ω' is a complex cube root of unity, then
ω
(
1
3
+
2
9
+
4
27
+
∞
)
+
ω
(
1
2
+
3
8
+
9
32
+
.
.
.
.
∞
)
=
1
-1
ω
i
Validate
Solution:
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