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The value of the expression (1+1/omega)...

The value of the expression `(1+1/omega)(1+1/omega^(2))+(2+1/omega)(2+1/omega^(2))+(3+1/omega^(2))+…………..+(n+1/omega)(n+1/omega^(2))`, where `omega` is an imaginary cube root of unity, is

A

`(n(n^(2)+2))/(3)`

B

`(n(n^(2)-2))/(3)`

C

`(n(n^(2)+1))/(3)`

D

`(n(n^(2)-1))/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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