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The value of the expression 1.(2−w)(2−w2)+2.(3−w)(3−w2)+..........+(n−1)(n−w)(n−w2), where ω is an imaginary cube root of unity , is |
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Answer» The value of the expression 1.(2−w)(2−w2)+2.(3−w)(3−w2)+..........+(n−1)(n−w)(n−w2), |
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