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If 1,omega,(omega)^2 are the cube roots ...

If 1,omega,(omega)^2 are the cube roots of unity, then `(a+b+c)(a+b(omega)+c(omega)^2)(a+b(omega)^2+c(omega)) = `

A

`a^3+b^3+c^3`

B

`a^3+b^3+c^3-3abc`

C

`(a+b+c)^3-3abc`

D

`a^3+b^3+c^3+3abc`

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