JEE Main 2017 Solved Paper Solved Paper

Section: Mathematics
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Question : 48 of 90
 
Marks: +1, -0
Let ω be a complex number such that 2ω+1=z where z=√−3.
If |
111
1−ω2−1ω2
1ω2ω7
|
=3k
then kis equal to :-
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