Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
be complex cube root of unity satisfying the relation 
and 
then value of 
is equal to-
A
2
B
-2
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given two relation show that the 
and 
are the roots of 
which is cubic in 
and we have to prove that 1 is roots of it
It is cubic in 
whose roots are 
, and
Let third root is 
Now 
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