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If omega is an imaginary cube root of un...

If `omega` is an imaginary cube root of unity, then the value of `(2-omega)(2-omega^(2))+2(3-omega)(3-omega^(2))+…….+(n-1)(n-omega)(n-omega^(2))` is

A

`(n^(2))/(4)(n+1)^(2)-n`

B

`(n^(2))/(4)(n+1)^(2)+n`

C

`(n^(2))/(4)(n+1)^(2)`

D

`(n^(2))/(4)(n+1)-n`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2016-MULTIPLE CHOICE QUESTIONS
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