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UPSC NDA II 2011 Mathematics Paper
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© examsnet.com
Question : 43
Total: 120
If
α
and
β
are the complex cube roots of unity, then what is the value of
(
1
+
α
)
(
1
+
β
)
(
1
+
α
2
)
(
1
+
β
2
)
?
−
1
0
1
4
Validate
Solution:
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