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Grade 12th passAlgebra

Please solve the question given in the image attached. It is from complex numbers.

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Profile image of GAURAV SINHA MAHAPATRA
9 Years agoGrade 12th pass
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1 Answer

Profile image of Shahid
9 Years ago
Dear Gaurav,
Let us recall that the sum of the nth roots of unity is ZERO... 
Therefore,
the answer to your question must be the first option... “0”
 
Hope it helps ,
if you like the answer then aproove my answer...
Thank You!!!