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If omega is complex cube root of unity ,...

If `omega` is complex cube root of unity , the `[(51+73 omega+87 omega^2)/(73+ 87 omega+51 omega^2)+(51+73 omega +87 omega^2)/(87+51 omega+73 omega^2)]^15=`

A

1

B

`-1`

C

0

D

2

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The correct Answer is:
B
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