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If the fourth roots of unity are z(1), z...

If the fourth roots of unity are `z_(1), z_(2), z_(3), z_(4)` then `z_(1)^(2)+z_(2)^(2)+z_(3)^(2)+z_(4)^(2)=`

A

1

B

0

C

i

D

none of these

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The correct Answer is:
B
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HIMALAYA PUBLICATION-COMPLEX NUMBERS-QUESTION BANK
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